Home / 9,781.20-14,668.56-2,854.08

Finding the Fourth Proportional to 9,781.20, 14,668.56 and 2,854.08

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Solution

The fourth proportional to 9,781.20, 14,668.56 and 2,854.08 is: 4,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.20 : 14,668.56 = 2,854.08 : x
  2. Step 2: Convert to fraction form
    9,781.20/14,668.56 = 2,854.08/x
  3. Step 3: Cross multiply
    9,781.20x = 14,668.56 × 2,854.08
  4. Step 4: Simplify right side
    9,781.20x = 41,865,243.72
  5. Step 5: Solve for x
    x = 41,865,243.72/9,781.20
  6. Step 6: Final answer
    x = 4,280.17

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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.