Home / 5,479.86-7,562.19-3,122.01

Finding the Fourth Proportional to 5,479.86, 7,562.19 and 3,122.01

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Solution

The fourth proportional to 5,479.86, 7,562.19 and 3,122.01 is: 4,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.86 : 7,562.19 = 3,122.01 : x
  2. Step 2: Convert to fraction form
    5,479.86/7,562.19 = 3,122.01/x
  3. Step 3: Cross multiply
    5,479.86x = 7,562.19 × 3,122.01
  4. Step 4: Simplify right side
    5,479.86x = 23,609,232.80
  5. Step 5: Solve for x
    x = 23,609,232.80/5,479.86
  6. Step 6: Final answer
    x = 4,308.36

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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.