Home / 7,747.38-11,621.12-1,904

Finding the Fourth Proportional to 7,747.38, 11,621.12 and 1,904

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Solution

The fourth proportional to 7,747.38, 11,621.12 and 1,904 is: 2,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.38 : 11,621.12 = 1,904 : x
  2. Step 2: Convert to fraction form
    7,747.38/11,621.12 = 1,904/x
  3. Step 3: Cross multiply
    7,747.38x = 11,621.12 × 1,904
  4. Step 4: Simplify right side
    7,747.38x = 22,126,612.48
  5. Step 5: Solve for x
    x = 22,126,612.48/7,747.38
  6. Step 6: Final answer
    x = 2,856.01

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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.