Home / 8,988.15-13,487.09-4,609.29

Finding the Fourth Proportional to 8,988.15, 13,487.09 and 4,609.29

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Solution

The fourth proportional to 8,988.15, 13,487.09 and 4,609.29 is: 6,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.15 : 13,487.09 = 4,609.29 : x
  2. Step 2: Convert to fraction form
    8,988.15/13,487.09 = 4,609.29/x
  3. Step 3: Cross multiply
    8,988.15x = 13,487.09 × 4,609.29
  4. Step 4: Simplify right side
    8,988.15x = 62,165,886.02
  5. Step 5: Solve for x
    x = 62,165,886.02/8,988.15
  6. Step 6: Final answer
    x = 6,916.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.