Home / 5,112.18-7,657.53-2,475.90

Finding the Fourth Proportional to 5,112.18, 7,657.53 and 2,475.90

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Solution

The fourth proportional to 5,112.18, 7,657.53 and 2,475.90 is: 3,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.18 : 7,657.53 = 2,475.90 : x
  2. Step 2: Convert to fraction form
    5,112.18/7,657.53 = 2,475.90/x
  3. Step 3: Cross multiply
    5,112.18x = 7,657.53 × 2,475.90
  4. Step 4: Simplify right side
    5,112.18x = 18,959,278.53
  5. Step 5: Solve for x
    x = 18,959,278.53/5,112.18
  6. Step 6: Final answer
    x = 3,708.65

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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.