Home / 8,710.19-13,059.49-3,162.81

Finding the Fourth Proportional to 8,710.19, 13,059.49 and 3,162.81

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Solution

The fourth proportional to 8,710.19, 13,059.49 and 3,162.81 is: 4,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.19 : 13,059.49 = 3,162.81 : x
  2. Step 2: Convert to fraction form
    8,710.19/13,059.49 = 3,162.81/x
  3. Step 3: Cross multiply
    8,710.19x = 13,059.49 × 3,162.81
  4. Step 4: Simplify right side
    8,710.19x = 41,304,685.57
  5. Step 5: Solve for x
    x = 41,304,685.57/8,710.19
  6. Step 6: Final answer
    x = 4,742.11

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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.