Home / 6,385.47-8,812.50-3,733.74

Finding the Fourth Proportional to 6,385.47, 8,812.50 and 3,733.74

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Solution

The fourth proportional to 6,385.47, 8,812.50 and 3,733.74 is: 5,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.47 : 8,812.50 = 3,733.74 : x
  2. Step 2: Convert to fraction form
    6,385.47/8,812.50 = 3,733.74/x
  3. Step 3: Cross multiply
    6,385.47x = 8,812.50 × 3,733.74
  4. Step 4: Simplify right side
    6,385.47x = 32,903,583.75
  5. Step 5: Solve for x
    x = 32,903,583.75/6,385.47
  6. Step 6: Final answer
    x = 5,152.88

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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.