Home / 8,639.19-12,952.71-3,370.14

Finding the Fourth Proportional to 8,639.19, 12,952.71 and 3,370.14

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Solution

The fourth proportional to 8,639.19, 12,952.71 and 3,370.14 is: 5,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.19 : 12,952.71 = 3,370.14 : x
  2. Step 2: Convert to fraction form
    8,639.19/12,952.71 = 3,370.14/x
  3. Step 3: Cross multiply
    8,639.19x = 12,952.71 × 3,370.14
  4. Step 4: Simplify right side
    8,639.19x = 43,652,446.08
  5. Step 5: Solve for x
    x = 43,652,446.08/8,639.19
  6. Step 6: Final answer
    x = 5,052.84

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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.