Home / 5,148.92-7,719.28-2,225.18

Finding the Fourth Proportional to 5,148.92, 7,719.28 and 2,225.18

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Solution

The fourth proportional to 5,148.92, 7,719.28 and 2,225.18 is: 3,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.92 : 7,719.28 = 2,225.18 : x
  2. Step 2: Convert to fraction form
    5,148.92/7,719.28 = 2,225.18/x
  3. Step 3: Cross multiply
    5,148.92x = 7,719.28 × 2,225.18
  4. Step 4: Simplify right side
    5,148.92x = 17,176,787.47
  5. Step 5: Solve for x
    x = 17,176,787.47/5,148.92
  6. Step 6: Final answer
    x = 3,336.00

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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.