Home / 8,461.29-12,689.88-3,530.97

Finding the Fourth Proportional to 8,461.29, 12,689.88 and 3,530.97

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Solution

The fourth proportional to 8,461.29, 12,689.88 and 3,530.97 is: 5,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.29 : 12,689.88 = 3,530.97 : x
  2. Step 2: Convert to fraction form
    8,461.29/12,689.88 = 3,530.97/x
  3. Step 3: Cross multiply
    8,461.29x = 12,689.88 × 3,530.97
  4. Step 4: Simplify right side
    8,461.29x = 44,807,585.58
  5. Step 5: Solve for x
    x = 44,807,585.58/8,461.29
  6. Step 6: Final answer
    x = 5,295.60

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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.