Home / 8,494.29-11,723.85-4,909.40

Finding the Fourth Proportional to 8,494.29, 11,723.85 and 4,909.40

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Solution

The fourth proportional to 8,494.29, 11,723.85 and 4,909.40 is: 6,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.29 : 11,723.85 = 4,909.40 : x
  2. Step 2: Convert to fraction form
    8,494.29/11,723.85 = 4,909.40/x
  3. Step 3: Cross multiply
    8,494.29x = 11,723.85 × 4,909.40
  4. Step 4: Simplify right side
    8,494.29x = 57,557,044.64
  5. Step 5: Solve for x
    x = 57,557,044.64/8,494.29
  6. Step 6: Final answer
    x = 6,775.97

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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.