Home / 7,500.42-10,345.78-4,517.19

Finding the Fourth Proportional to 7,500.42, 10,345.78 and 4,517.19

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Solution

The fourth proportional to 7,500.42, 10,345.78 and 4,517.19 is: 6,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.42 : 10,345.78 = 4,517.19 : x
  2. Step 2: Convert to fraction form
    7,500.42/10,345.78 = 4,517.19/x
  3. Step 3: Cross multiply
    7,500.42x = 10,345.78 × 4,517.19
  4. Step 4: Simplify right side
    7,500.42x = 46,733,853.96
  5. Step 5: Solve for x
    x = 46,733,853.96/7,500.42
  6. Step 6: Final answer
    x = 6,230.83

Related Problems

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Half scale
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Double scale
Find fourth proportional to 7,501.42, 10,347.16 and 4,518.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.