Home / 6,116.20-8,437.62-3,877.48

Finding the Fourth Proportional to 6,116.20, 8,437.62 and 3,877.48

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Solution

The fourth proportional to 6,116.20, 8,437.62 and 3,877.48 is: 5,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,116.20 : 8,437.62 = 3,877.48 : x
  2. Step 2: Convert to fraction form
    6,116.20/8,437.62 = 3,877.48/x
  3. Step 3: Cross multiply
    6,116.20x = 8,437.62 × 3,877.48
  4. Step 4: Simplify right side
    6,116.20x = 32,716,702.80
  5. Step 5: Solve for x
    x = 32,716,702.80/6,116.20
  6. Step 6: Final answer
    x = 5,349.19

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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.