Home / 8,935.17-13,400.92-3,386.60

Finding the Fourth Proportional to 8,935.17, 13,400.92 and 3,386.60

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Solution

The fourth proportional to 8,935.17, 13,400.92 and 3,386.60 is: 5,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.17 : 13,400.92 = 3,386.60 : x
  2. Step 2: Convert to fraction form
    8,935.17/13,400.92 = 3,386.60/x
  3. Step 3: Cross multiply
    8,935.17x = 13,400.92 × 3,386.60
  4. Step 4: Simplify right side
    8,935.17x = 45,383,555.67
  5. Step 5: Solve for x
    x = 45,383,555.67/8,935.17
  6. Step 6: Final answer
    x = 5,079.20

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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.