Home / 5,505.80-7,598.52-3,147.48

Finding the Fourth Proportional to 5,505.80, 7,598.52 and 3,147.48

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Solution

The fourth proportional to 5,505.80, 7,598.52 and 3,147.48 is: 4,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.80 : 7,598.52 = 3,147.48 : x
  2. Step 2: Convert to fraction form
    5,505.80/7,598.52 = 3,147.48/x
  3. Step 3: Cross multiply
    5,505.80x = 7,598.52 × 3,147.48
  4. Step 4: Simplify right side
    5,505.80x = 23,916,189.73
  5. Step 5: Solve for x
    x = 23,916,189.73/5,505.80
  6. Step 6: Final answer
    x = 4,343.82

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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.