Home / 8,688.30-13,037.92-4,997.74

Finding the Fourth Proportional to 8,688.30, 13,037.92 and 4,997.74

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Solution

The fourth proportional to 8,688.30, 13,037.92 and 4,997.74 is: 7,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.30 : 13,037.92 = 4,997.74 : x
  2. Step 2: Convert to fraction form
    8,688.30/13,037.92 = 4,997.74/x
  3. Step 3: Cross multiply
    8,688.30x = 13,037.92 × 4,997.74
  4. Step 4: Simplify right side
    8,688.30x = 65,160,134.30
  5. Step 5: Solve for x
    x = 65,160,134.30/8,688.30
  6. Step 6: Final answer
    x = 7,499.76

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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.