Home / 5,479.31-7,562.63-3,489.41

Finding the Fourth Proportional to 5,479.31, 7,562.63 and 3,489.41

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Solution

The fourth proportional to 5,479.31, 7,562.63 and 3,489.41 is: 4,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.31 : 7,562.63 = 3,489.41 : x
  2. Step 2: Convert to fraction form
    5,479.31/7,562.63 = 3,489.41/x
  3. Step 3: Cross multiply
    5,479.31x = 7,562.63 × 3,489.41
  4. Step 4: Simplify right side
    5,479.31x = 26,389,144.38
  5. Step 5: Solve for x
    x = 26,389,144.38/5,479.31
  6. Step 6: Final answer
    x = 4,816.14

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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.