Home / 9,278.76-13,913.82-5,384.28

Finding the Fourth Proportional to 9,278.76, 13,913.82 and 5,384.28

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Solution

The fourth proportional to 9,278.76, 13,913.82 and 5,384.28 is: 8,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.76 : 13,913.82 = 5,384.28 : x
  2. Step 2: Convert to fraction form
    9,278.76/13,913.82 = 5,384.28/x
  3. Step 3: Cross multiply
    9,278.76x = 13,913.82 × 5,384.28
  4. Step 4: Simplify right side
    9,278.76x = 74,915,902.75
  5. Step 5: Solve for x
    x = 74,915,902.75/9,278.76
  6. Step 6: Final answer
    x = 8,073.91

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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.