Home / 9,140.93-13,708.56-3,296.78

Finding the Fourth Proportional to 9,140.93, 13,708.56 and 3,296.78

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Solution

The fourth proportional to 9,140.93, 13,708.56 and 3,296.78 is: 4,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.93 : 13,708.56 = 3,296.78 : x
  2. Step 2: Convert to fraction form
    9,140.93/13,708.56 = 3,296.78/x
  3. Step 3: Cross multiply
    9,140.93x = 13,708.56 × 3,296.78
  4. Step 4: Simplify right side
    9,140.93x = 45,194,106.44
  5. Step 5: Solve for x
    x = 45,194,106.44/9,140.93
  6. Step 6: Final answer
    x = 4,944.15

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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.