Home / 7,399.62-10,213.02-4,257.54

Finding the Fourth Proportional to 7,399.62, 10,213.02 and 4,257.54

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Solution

The fourth proportional to 7,399.62, 10,213.02 and 4,257.54 is: 5,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.62 : 10,213.02 = 4,257.54 : x
  2. Step 2: Convert to fraction form
    7,399.62/10,213.02 = 4,257.54/x
  3. Step 3: Cross multiply
    7,399.62x = 10,213.02 × 4,257.54
  4. Step 4: Simplify right side
    7,399.62x = 43,482,341.17
  5. Step 5: Solve for x
    x = 43,482,341.17/7,399.62
  6. Step 6: Final answer
    x = 5,876.29

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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.