Home / 5,515.52-7,613.87-3,278.12

Finding the Fourth Proportional to 5,515.52, 7,613.87 and 3,278.12

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Solution

The fourth proportional to 5,515.52, 7,613.87 and 3,278.12 is: 4,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.52 : 7,613.87 = 3,278.12 : x
  2. Step 2: Convert to fraction form
    5,515.52/7,613.87 = 3,278.12/x
  3. Step 3: Cross multiply
    5,515.52x = 7,613.87 × 3,278.12
  4. Step 4: Simplify right side
    5,515.52x = 24,959,125.06
  5. Step 5: Solve for x
    x = 24,959,125.06/5,515.52
  6. Step 6: Final answer
    x = 4,525.26

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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.