Home / 6,380.55-8,805.33-3,862.13

Finding the Fourth Proportional to 6,380.55, 8,805.33 and 3,862.13

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Solution

The fourth proportional to 6,380.55, 8,805.33 and 3,862.13 is: 5,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.55 : 8,805.33 = 3,862.13 : x
  2. Step 2: Convert to fraction form
    6,380.55/8,805.33 = 3,862.13/x
  3. Step 3: Cross multiply
    6,380.55x = 8,805.33 × 3,862.13
  4. Step 4: Simplify right side
    6,380.55x = 34,007,285.13
  5. Step 5: Solve for x
    x = 34,007,285.13/6,380.55
  6. Step 6: Final answer
    x = 5,329.84

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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.