Home / 6,439.59-8,876.25-4,548.17

Finding the Fourth Proportional to 6,439.59, 8,876.25 and 4,548.17

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Solution

The fourth proportional to 6,439.59, 8,876.25 and 4,548.17 is: 6,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.59 : 8,876.25 = 4,548.17 : x
  2. Step 2: Convert to fraction form
    6,439.59/8,876.25 = 4,548.17/x
  3. Step 3: Cross multiply
    6,439.59x = 8,876.25 × 4,548.17
  4. Step 4: Simplify right side
    6,439.59x = 40,370,649.58
  5. Step 5: Solve for x
    x = 40,370,649.58/6,439.59
  6. Step 6: Final answer
    x = 6,269.13

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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.