Home / 10,376.78-15,560.51-2,979.59

Finding the Fourth Proportional to 10,376.78, 15,560.51 and 2,979.59

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Solution

The fourth proportional to 10,376.78, 15,560.51 and 2,979.59 is: 4,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.78 : 15,560.51 = 2,979.59 : x
  2. Step 2: Convert to fraction form
    10,376.78/15,560.51 = 2,979.59/x
  3. Step 3: Cross multiply
    10,376.78x = 15,560.51 × 2,979.59
  4. Step 4: Simplify right side
    10,376.78x = 46,363,847.29
  5. Step 5: Solve for x
    x = 46,363,847.29/10,376.78
  6. Step 6: Final answer
    x = 4,468.04

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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.