Home / 5,254.76-7,876.81-3,407.04

Finding the Fourth Proportional to 5,254.76, 7,876.81 and 3,407.04

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Solution

The fourth proportional to 5,254.76, 7,876.81 and 3,407.04 is: 5,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.76 : 7,876.81 = 3,407.04 : x
  2. Step 2: Convert to fraction form
    5,254.76/7,876.81 = 3,407.04/x
  3. Step 3: Cross multiply
    5,254.76x = 7,876.81 × 3,407.04
  4. Step 4: Simplify right side
    5,254.76x = 26,836,589.71
  5. Step 5: Solve for x
    x = 26,836,589.71/5,254.76
  6. Step 6: Final answer
    x = 5,107.11

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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.