Home / 7,358.30-11,037.45-4,247.90

Finding the Fourth Proportional to 7,358.30, 11,037.45 and 4,247.90

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Solution

The fourth proportional to 7,358.30, 11,037.45 and 4,247.90 is: 6,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.30 : 11,037.45 = 4,247.90 : x
  2. Step 2: Convert to fraction form
    7,358.30/11,037.45 = 4,247.90/x
  3. Step 3: Cross multiply
    7,358.30x = 11,037.45 × 4,247.90
  4. Step 4: Simplify right side
    7,358.30x = 46,885,983.86
  5. Step 5: Solve for x
    x = 46,885,983.86/7,358.30
  6. Step 6: Final answer
    x = 6,371.85

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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.