Home / 5,255.55-7,883.40-3,487.92

Finding the Fourth Proportional to 5,255.55, 7,883.40 and 3,487.92

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Solution

The fourth proportional to 5,255.55, 7,883.40 and 3,487.92 is: 5,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.55 : 7,883.40 = 3,487.92 : x
  2. Step 2: Convert to fraction form
    5,255.55/7,883.40 = 3,487.92/x
  3. Step 3: Cross multiply
    5,255.55x = 7,883.40 × 3,487.92
  4. Step 4: Simplify right side
    5,255.55x = 27,496,668.53
  5. Step 5: Solve for x
    x = 27,496,668.53/5,255.55
  6. Step 6: Final answer
    x = 5,231.93

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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.