Home / 5,392.50-7,444.08-3,997.68

Finding the Fourth Proportional to 5,392.50, 7,444.08 and 3,997.68

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Solution

The fourth proportional to 5,392.50, 7,444.08 and 3,997.68 is: 5,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.50 : 7,444.08 = 3,997.68 : x
  2. Step 2: Convert to fraction form
    5,392.50/7,444.08 = 3,997.68/x
  3. Step 3: Cross multiply
    5,392.50x = 7,444.08 × 3,997.68
  4. Step 4: Simplify right side
    5,392.50x = 29,759,049.73
  5. Step 5: Solve for x
    x = 29,759,049.73/5,392.50
  6. Step 6: Final answer
    x = 5,518.60

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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.