Home / 5,025.80-7,538.37-1,515.92

Finding the Fourth Proportional to 5,025.80, 7,538.37 and 1,515.92

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Solution

The fourth proportional to 5,025.80, 7,538.37 and 1,515.92 is: 2,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.80 : 7,538.37 = 1,515.92 : x
  2. Step 2: Convert to fraction form
    5,025.80/7,538.37 = 1,515.92/x
  3. Step 3: Cross multiply
    5,025.80x = 7,538.37 × 1,515.92
  4. Step 4: Simplify right side
    5,025.80x = 11,427,528.16
  5. Step 5: Solve for x
    x = 11,427,528.16/5,025.80
  6. Step 6: Final answer
    x = 2,273.78

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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.