Home / 7,400.92-10,213.58-4,257.11

Finding the Fourth Proportional to 7,400.92, 10,213.58 and 4,257.11

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Solution

The fourth proportional to 7,400.92, 10,213.58 and 4,257.11 is: 5,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.92 : 10,213.58 = 4,257.11 : x
  2. Step 2: Convert to fraction form
    7,400.92/10,213.58 = 4,257.11/x
  3. Step 3: Cross multiply
    7,400.92x = 10,213.58 × 4,257.11
  4. Step 4: Simplify right side
    7,400.92x = 43,480,333.55
  5. Step 5: Solve for x
    x = 43,480,333.55/7,400.92
  6. Step 6: Final answer
    x = 5,874.99

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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.