Home / 6,861.32-9,468.15-3,877.28

Finding the Fourth Proportional to 6,861.32, 9,468.15 and 3,877.28

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Solution

The fourth proportional to 6,861.32, 9,468.15 and 3,877.28 is: 5,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.32 : 9,468.15 = 3,877.28 : x
  2. Step 2: Convert to fraction form
    6,861.32/9,468.15 = 3,877.28/x
  3. Step 3: Cross multiply
    6,861.32x = 9,468.15 × 3,877.28
  4. Step 4: Simplify right side
    6,861.32x = 36,710,601.90
  5. Step 5: Solve for x
    x = 36,710,601.90/6,861.32
  6. Step 6: Final answer
    x = 5,350.37

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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.