Home / 7,520.04-10,379.75-4,376.84

Finding the Fourth Proportional to 7,520.04, 10,379.75 and 4,376.84

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Solution

The fourth proportional to 7,520.04, 10,379.75 and 4,376.84 is: 6,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.04 : 10,379.75 = 4,376.84 : x
  2. Step 2: Convert to fraction form
    7,520.04/10,379.75 = 4,376.84/x
  3. Step 3: Cross multiply
    7,520.04x = 10,379.75 × 4,376.84
  4. Step 4: Simplify right side
    7,520.04x = 45,430,431.21
  5. Step 5: Solve for x
    x = 45,430,431.21/7,520.04
  6. Step 6: Final answer
    x = 6,041.25

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Double scale
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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.