Home / 8,174.05-11,279.85-4,637.18

Finding the Fourth Proportional to 8,174.05, 11,279.85 and 4,637.18

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Solution

The fourth proportional to 8,174.05, 11,279.85 and 4,637.18 is: 6,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.05 : 11,279.85 = 4,637.18 : x
  2. Step 2: Convert to fraction form
    8,174.05/11,279.85 = 4,637.18/x
  3. Step 3: Cross multiply
    8,174.05x = 11,279.85 × 4,637.18
  4. Step 4: Simplify right side
    8,174.05x = 52,306,694.82
  5. Step 5: Solve for x
    x = 52,306,694.82/8,174.05
  6. Step 6: Final answer
    x = 6,399.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.