Home / 9,135.60-13,697.24-3,291.45

Finding the Fourth Proportional to 9,135.60, 13,697.24 and 3,291.45

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Solution

The fourth proportional to 9,135.60, 13,697.24 and 3,291.45 is: 4,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.60 : 13,697.24 = 3,291.45 : x
  2. Step 2: Convert to fraction form
    9,135.60/13,697.24 = 3,291.45/x
  3. Step 3: Cross multiply
    9,135.60x = 13,697.24 × 3,291.45
  4. Step 4: Simplify right side
    9,135.60x = 45,083,764.14
  5. Step 5: Solve for x
    x = 45,083,764.14/9,135.60
  6. Step 6: Final answer
    x = 4,934.95

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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.