Home / 8,465.60-12,689.32-3,531.52

Finding the Fourth Proportional to 8,465.60, 12,689.32 and 3,531.52

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Solution

The fourth proportional to 8,465.60, 12,689.32 and 3,531.52 is: 5,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.60 : 12,689.32 = 3,531.52 : x
  2. Step 2: Convert to fraction form
    8,465.60/12,689.32 = 3,531.52/x
  3. Step 3: Cross multiply
    8,465.60x = 12,689.32 × 3,531.52
  4. Step 4: Simplify right side
    8,465.60x = 44,812,587.37
  5. Step 5: Solve for x
    x = 44,812,587.37/8,465.60
  6. Step 6: Final answer
    x = 5,293.49

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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.