Home / 10,376.85-15,562.99-2,979.66

Finding the Fourth Proportional to 10,376.85, 15,562.99 and 2,979.66

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Solution

The fourth proportional to 10,376.85, 15,562.99 and 2,979.66 is: 4,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.85 : 15,562.99 = 2,979.66 : x
  2. Step 2: Convert to fraction form
    10,376.85/15,562.99 = 2,979.66/x
  3. Step 3: Cross multiply
    10,376.85x = 15,562.99 × 2,979.66
  4. Step 4: Simplify right side
    10,376.85x = 46,372,464.11
  5. Step 5: Solve for x
    x = 46,372,464.11/10,376.85
  6. Step 6: Final answer
    x = 4,468.84

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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.