Home / 5,340.30-8,010.45-2,715.90

Finding the Fourth Proportional to 5,340.30, 8,010.45 and 2,715.90

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Solution

The fourth proportional to 5,340.30, 8,010.45 and 2,715.90 is: 4,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.30 : 8,010.45 = 2,715.90 : x
  2. Step 2: Convert to fraction form
    5,340.30/8,010.45 = 2,715.90/x
  3. Step 3: Cross multiply
    5,340.30x = 8,010.45 × 2,715.90
  4. Step 4: Simplify right side
    5,340.30x = 21,755,581.16
  5. Step 5: Solve for x
    x = 21,755,581.16/5,340.30
  6. Step 6: Final answer
    x = 4,073.85

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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.