Home / 7,261.02-10,020.60-5,489.55

Finding the Fourth Proportional to 7,261.02, 10,020.60 and 5,489.55

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Solution

The fourth proportional to 7,261.02, 10,020.60 and 5,489.55 is: 7,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.02 : 10,020.60 = 5,489.55 : x
  2. Step 2: Convert to fraction form
    7,261.02/10,020.60 = 5,489.55/x
  3. Step 3: Cross multiply
    7,261.02x = 10,020.60 × 5,489.55
  4. Step 4: Simplify right side
    7,261.02x = 55,008,584.73
  5. Step 5: Solve for x
    x = 55,008,584.73/7,261.02
  6. Step 6: Final answer
    x = 7,575.88

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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.