Home / 6,385.94-8,810.57-3,732.38

Finding the Fourth Proportional to 6,385.94, 8,810.57 and 3,732.38

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Solution

The fourth proportional to 6,385.94, 8,810.57 and 3,732.38 is: 5,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.94 : 8,810.57 = 3,732.38 : x
  2. Step 2: Convert to fraction form
    6,385.94/8,810.57 = 3,732.38/x
  3. Step 3: Cross multiply
    6,385.94x = 8,810.57 × 3,732.38
  4. Step 4: Simplify right side
    6,385.94x = 32,884,393.57
  5. Step 5: Solve for x
    x = 32,884,393.57/6,385.94
  6. Step 6: Final answer
    x = 5,149.50

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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.