Home / 8,860.77-13,287.16-2,618.60

Finding the Fourth Proportional to 8,860.77, 13,287.16 and 2,618.60

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Solution

The fourth proportional to 8,860.77, 13,287.16 and 2,618.60 is: 3,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.77 : 13,287.16 = 2,618.60 : x
  2. Step 2: Convert to fraction form
    8,860.77/13,287.16 = 2,618.60/x
  3. Step 3: Cross multiply
    8,860.77x = 13,287.16 × 2,618.60
  4. Step 4: Simplify right side
    8,860.77x = 34,793,757.18
  5. Step 5: Solve for x
    x = 34,793,757.18/8,860.77
  6. Step 6: Final answer
    x = 3,926.72

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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.