Home / 8,458.17-12,678.66-3,530.49

Finding the Fourth Proportional to 8,458.17, 12,678.66 and 3,530.49

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Solution

The fourth proportional to 8,458.17, 12,678.66 and 3,530.49 is: 5,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.17 : 12,678.66 = 3,530.49 : x
  2. Step 2: Convert to fraction form
    8,458.17/12,678.66 = 3,530.49/x
  3. Step 3: Cross multiply
    8,458.17x = 12,678.66 × 3,530.49
  4. Step 4: Simplify right side
    8,458.17x = 44,761,882.34
  5. Step 5: Solve for x
    x = 44,761,882.34/8,458.17
  6. Step 6: Final answer
    x = 5,292.15

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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.