Home / 9,240.42-13,864.68-3,398.70

Finding the Fourth Proportional to 9,240.42, 13,864.68 and 3,398.70

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Solution

The fourth proportional to 9,240.42, 13,864.68 and 3,398.70 is: 5,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.42 : 13,864.68 = 3,398.70 : x
  2. Step 2: Convert to fraction form
    9,240.42/13,864.68 = 3,398.70/x
  3. Step 3: Cross multiply
    9,240.42x = 13,864.68 × 3,398.70
  4. Step 4: Simplify right side
    9,240.42x = 47,121,887.92
  5. Step 5: Solve for x
    x = 47,121,887.92/9,240.42
  6. Step 6: Final answer
    x = 5,099.54

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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.