Home / 5,025.55-7,538.28-1,515.55

Finding the Fourth Proportional to 5,025.55, 7,538.28 and 1,515.55

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Solution

The fourth proportional to 5,025.55, 7,538.28 and 1,515.55 is: 2,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.55 : 7,538.28 = 1,515.55 : x
  2. Step 2: Convert to fraction form
    5,025.55/7,538.28 = 1,515.55/x
  3. Step 3: Cross multiply
    5,025.55x = 7,538.28 × 1,515.55
  4. Step 4: Simplify right side
    5,025.55x = 11,424,640.25
  5. Step 5: Solve for x
    x = 11,424,640.25/5,025.55
  6. Step 6: Final answer
    x = 2,273.31

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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.