Home / 6,439.14-8,877.29-5,504.97

Finding the Fourth Proportional to 6,439.14, 8,877.29 and 5,504.97

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Solution

The fourth proportional to 6,439.14, 8,877.29 and 5,504.97 is: 7,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.14 : 8,877.29 = 5,504.97 : x
  2. Step 2: Convert to fraction form
    6,439.14/8,877.29 = 5,504.97/x
  3. Step 3: Cross multiply
    6,439.14x = 8,877.29 × 5,504.97
  4. Step 4: Simplify right side
    6,439.14x = 48,869,221.72
  5. Step 5: Solve for x
    x = 48,869,221.72/6,439.14
  6. Step 6: Final answer
    x = 7,589.40

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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.