Home / 5,489.32-7,576.44-3,499.42

Finding the Fourth Proportional to 5,489.32, 7,576.44 and 3,499.42

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Solution

The fourth proportional to 5,489.32, 7,576.44 and 3,499.42 is: 4,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.32 : 7,576.44 = 3,499.42 : x
  2. Step 2: Convert to fraction form
    5,489.32/7,576.44 = 3,499.42/x
  3. Step 3: Cross multiply
    5,489.32x = 7,576.44 × 3,499.42
  4. Step 4: Simplify right side
    5,489.32x = 26,513,145.66
  5. Step 5: Solve for x
    x = 26,513,145.66/5,489.32
  6. Step 6: Final answer
    x = 4,829.95

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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.