Home / 9,276.91-13,916.15-5,119.79

Finding the Fourth Proportional to 9,276.91, 13,916.15 and 5,119.79

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Solution

The fourth proportional to 9,276.91, 13,916.15 and 5,119.79 is: 7,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.91 : 13,916.15 = 5,119.79 : x
  2. Step 2: Convert to fraction form
    9,276.91/13,916.15 = 5,119.79/x
  3. Step 3: Cross multiply
    9,276.91x = 13,916.15 × 5,119.79
  4. Step 4: Simplify right side
    9,276.91x = 71,247,696.03
  5. Step 5: Solve for x
    x = 71,247,696.03/9,276.91
  6. Step 6: Final answer
    x = 7,680.11

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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.