Home / 8,340.32-12,509.56-3,344.79

Finding the Fourth Proportional to 8,340.32, 12,509.56 and 3,344.79

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Solution

The fourth proportional to 8,340.32, 12,509.56 and 3,344.79 is: 5,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.32 : 12,509.56 = 3,344.79 : x
  2. Step 2: Convert to fraction form
    8,340.32/12,509.56 = 3,344.79/x
  3. Step 3: Cross multiply
    8,340.32x = 12,509.56 × 3,344.79
  4. Step 4: Simplify right side
    8,340.32x = 41,841,851.19
  5. Step 5: Solve for x
    x = 41,841,851.19/8,340.32
  6. Step 6: Final answer
    x = 5,016.82

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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.