Home / 9,789.62-14,686.28-3,217.68

Finding the Fourth Proportional to 9,789.62, 14,686.28 and 3,217.68

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Solution

The fourth proportional to 9,789.62, 14,686.28 and 3,217.68 is: 4,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.62 : 14,686.28 = 3,217.68 : x
  2. Step 2: Convert to fraction form
    9,789.62/14,686.28 = 3,217.68/x
  3. Step 3: Cross multiply
    9,789.62x = 14,686.28 × 3,217.68
  4. Step 4: Simplify right side
    9,789.62x = 47,255,733.34
  5. Step 5: Solve for x
    x = 47,255,733.34/9,789.62
  6. Step 6: Final answer
    x = 4,827.13

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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.