Home / 10,278.29-15,396.89-4,724.02

Finding the Fourth Proportional to 10,278.29, 15,396.89 and 4,724.02

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Solution

The fourth proportional to 10,278.29, 15,396.89 and 4,724.02 is: 7,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.29 : 15,396.89 = 4,724.02 : x
  2. Step 2: Convert to fraction form
    10,278.29/15,396.89 = 4,724.02/x
  3. Step 3: Cross multiply
    10,278.29x = 15,396.89 × 4,724.02
  4. Step 4: Simplify right side
    10,278.29x = 72,735,211.92
  5. Step 5: Solve for x
    x = 72,735,211.92/10,278.29
  6. Step 6: Final answer
    x = 7,076.59

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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.