Home / 8,680.56-13,017.84-2,836.08

Finding the Fourth Proportional to 8,680.56, 13,017.84 and 2,836.08

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Solution

The fourth proportional to 8,680.56, 13,017.84 and 2,836.08 is: 4,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.56 : 13,017.84 = 2,836.08 : x
  2. Step 2: Convert to fraction form
    8,680.56/13,017.84 = 2,836.08/x
  3. Step 3: Cross multiply
    8,680.56x = 13,017.84 × 2,836.08
  4. Step 4: Simplify right side
    8,680.56x = 36,919,635.67
  5. Step 5: Solve for x
    x = 36,919,635.67/8,680.56
  6. Step 6: Final answer
    x = 4,253.14

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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.