Home / 5,519.78-7,614.24-3,499.46

Finding the Fourth Proportional to 5,519.78, 7,614.24 and 3,499.46

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Solution

The fourth proportional to 5,519.78, 7,614.24 and 3,499.46 is: 4,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.78 : 7,614.24 = 3,499.46 : x
  2. Step 2: Convert to fraction form
    5,519.78/7,614.24 = 3,499.46/x
  3. Step 3: Cross multiply
    5,519.78x = 7,614.24 × 3,499.46
  4. Step 4: Simplify right side
    5,519.78x = 26,645,728.31
  5. Step 5: Solve for x
    x = 26,645,728.31/5,519.78
  6. Step 6: Final answer
    x = 4,827.32

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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.