Home / 6,385.46-8,812.98-3,732.35

Finding the Fourth Proportional to 6,385.46, 8,812.98 and 3,732.35

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Solution

The fourth proportional to 6,385.46, 8,812.98 and 3,732.35 is: 5,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.46 : 8,812.98 = 3,732.35 : x
  2. Step 2: Convert to fraction form
    6,385.46/8,812.98 = 3,732.35/x
  3. Step 3: Cross multiply
    6,385.46x = 8,812.98 × 3,732.35
  4. Step 4: Simplify right side
    6,385.46x = 32,893,063.18
  5. Step 5: Solve for x
    x = 32,893,063.18/6,385.46
  6. Step 6: Final answer
    x = 5,151.25

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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.