Home / 6,385.53-8,810.56-3,733.80

Finding the Fourth Proportional to 6,385.53, 8,810.56 and 3,733.80

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Solution

The fourth proportional to 6,385.53, 8,810.56 and 3,733.80 is: 5,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.53 : 8,810.56 = 3,733.80 : x
  2. Step 2: Convert to fraction form
    6,385.53/8,810.56 = 3,733.80/x
  3. Step 3: Cross multiply
    6,385.53x = 8,810.56 × 3,733.80
  4. Step 4: Simplify right side
    6,385.53x = 32,896,868.93
  5. Step 5: Solve for x
    x = 32,896,868.93/6,385.53
  6. Step 6: Final answer
    x = 5,151.78

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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.