Home / 9,028.52-13,539.19-3,478.80

Finding the Fourth Proportional to 9,028.52, 13,539.19 and 3,478.80

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Solution

The fourth proportional to 9,028.52, 13,539.19 and 3,478.80 is: 5,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.52 : 13,539.19 = 3,478.80 : x
  2. Step 2: Convert to fraction form
    9,028.52/13,539.19 = 3,478.80/x
  3. Step 3: Cross multiply
    9,028.52x = 13,539.19 × 3,478.80
  4. Step 4: Simplify right side
    9,028.52x = 47,100,134.17
  5. Step 5: Solve for x
    x = 47,100,134.17/9,028.52
  6. Step 6: Final answer
    x = 5,216.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.