Home / 5,154.78-7,113.60-2,916.61

Finding the Fourth Proportional to 5,154.78, 7,113.60 and 2,916.61

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Solution

The fourth proportional to 5,154.78, 7,113.60 and 2,916.61 is: 4,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.78 : 7,113.60 = 2,916.61 : x
  2. Step 2: Convert to fraction form
    5,154.78/7,113.60 = 2,916.61/x
  3. Step 3: Cross multiply
    5,154.78x = 7,113.60 × 2,916.61
  4. Step 4: Simplify right side
    5,154.78x = 20,747,596.90
  5. Step 5: Solve for x
    x = 20,747,596.90/5,154.78
  6. Step 6: Final answer
    x = 4,024.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.