Home / 7,217.28-9,957.87-4,565.79

Finding the Fourth Proportional to 7,217.28, 9,957.87 and 4,565.79

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Solution

The fourth proportional to 7,217.28, 9,957.87 and 4,565.79 is: 6,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.28 : 9,957.87 = 4,565.79 : x
  2. Step 2: Convert to fraction form
    7,217.28/9,957.87 = 4,565.79/x
  3. Step 3: Cross multiply
    7,217.28x = 9,957.87 × 4,565.79
  4. Step 4: Simplify right side
    7,217.28x = 45,465,543.27
  5. Step 5: Solve for x
    x = 45,465,543.27/7,217.28
  6. Step 6: Final answer
    x = 6,299.54

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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.