Home / 9,289.43-12,819.17-5,654.12

Finding the Fourth Proportional to 9,289.43, 12,819.17 and 5,654.12

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Solution

The fourth proportional to 9,289.43, 12,819.17 and 5,654.12 is: 7,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.43 : 12,819.17 = 5,654.12 : x
  2. Step 2: Convert to fraction form
    9,289.43/12,819.17 = 5,654.12/x
  3. Step 3: Cross multiply
    9,289.43x = 12,819.17 × 5,654.12
  4. Step 4: Simplify right side
    9,289.43x = 72,481,033.11
  5. Step 5: Solve for x
    x = 72,481,033.11/9,289.43
  6. Step 6: Final answer
    x = 7,802.53

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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.