Home / 7,487.28-11,237.04-5,298.12

Finding the Fourth Proportional to 7,487.28, 11,237.04 and 5,298.12

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Solution

The fourth proportional to 7,487.28, 11,237.04 and 5,298.12 is: 7,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.28 : 11,237.04 = 5,298.12 : x
  2. Step 2: Convert to fraction form
    7,487.28/11,237.04 = 5,298.12/x
  3. Step 3: Cross multiply
    7,487.28x = 11,237.04 × 5,298.12
  4. Step 4: Simplify right side
    7,487.28x = 59,535,186.36
  5. Step 5: Solve for x
    x = 59,535,186.36/7,487.28
  6. Step 6: Final answer
    x = 7,951.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.