Home / 9,242.20-13,864.32-3,398.80

Finding the Fourth Proportional to 9,242.20, 13,864.32 and 3,398.80

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Solution

The fourth proportional to 9,242.20, 13,864.32 and 3,398.80 is: 5,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.20 : 13,864.32 = 3,398.80 : x
  2. Step 2: Convert to fraction form
    9,242.20/13,864.32 = 3,398.80/x
  3. Step 3: Cross multiply
    9,242.20x = 13,864.32 × 3,398.80
  4. Step 4: Simplify right side
    9,242.20x = 47,122,050.82
  5. Step 5: Solve for x
    x = 47,122,050.82/9,242.20
  6. Step 6: Final answer
    x = 5,098.58

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1.5x scale

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.