Home / 7,474.09-10,311.45-4,286.25

Finding the Fourth Proportional to 7,474.09, 10,311.45 and 4,286.25

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Solution

The fourth proportional to 7,474.09, 10,311.45 and 4,286.25 is: 5,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.09 : 10,311.45 = 4,286.25 : x
  2. Step 2: Convert to fraction form
    7,474.09/10,311.45 = 4,286.25/x
  3. Step 3: Cross multiply
    7,474.09x = 10,311.45 × 4,286.25
  4. Step 4: Simplify right side
    7,474.09x = 44,197,452.56
  5. Step 5: Solve for x
    x = 44,197,452.56/7,474.09
  6. Step 6: Final answer
    x = 5,913.42

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Half scale
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Double scale
Find fourth proportional to 7,475.09, 10,312.83 and 4,287.25
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.