Home / 7,400.86-10,213.48-4,257.04

Finding the Fourth Proportional to 7,400.86, 10,213.48 and 4,257.04

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Solution

The fourth proportional to 7,400.86, 10,213.48 and 4,257.04 is: 5,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.86 : 10,213.48 = 4,257.04 : x
  2. Step 2: Convert to fraction form
    7,400.86/10,213.48 = 4,257.04/x
  3. Step 3: Cross multiply
    7,400.86x = 10,213.48 × 4,257.04
  4. Step 4: Simplify right side
    7,400.86x = 43,479,192.90
  5. Step 5: Solve for x
    x = 43,479,192.90/7,400.86
  6. Step 6: Final answer
    x = 5,874.88

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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.