Home / 8,416.10-12,627.79-4,515.95

Finding the Fourth Proportional to 8,416.10, 12,627.79 and 4,515.95

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Solution

The fourth proportional to 8,416.10, 12,627.79 and 4,515.95 is: 6,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.10 : 12,627.79 = 4,515.95 : x
  2. Step 2: Convert to fraction form
    8,416.10/12,627.79 = 4,515.95/x
  3. Step 3: Cross multiply
    8,416.10x = 12,627.79 × 4,515.95
  4. Step 4: Simplify right side
    8,416.10x = 57,026,488.53
  5. Step 5: Solve for x
    x = 57,026,488.53/8,416.10
  6. Step 6: Final answer
    x = 6,775.88

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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.