Home / 8,836.89-13,257.28-2,913.54

Finding the Fourth Proportional to 8,836.89, 13,257.28 and 2,913.54

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Solution

The fourth proportional to 8,836.89, 13,257.28 and 2,913.54 is: 4,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.89 : 13,257.28 = 2,913.54 : x
  2. Step 2: Convert to fraction form
    8,836.89/13,257.28 = 2,913.54/x
  3. Step 3: Cross multiply
    8,836.89x = 13,257.28 × 2,913.54
  4. Step 4: Simplify right side
    8,836.89x = 38,625,622.86
  5. Step 5: Solve for x
    x = 38,625,622.86/8,836.89
  6. Step 6: Final answer
    x = 4,370.95

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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.