Home / 8,829.60-13,245.06-2,986.20

Finding the Fourth Proportional to 8,829.60, 13,245.06 and 2,986.20

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Solution

The fourth proportional to 8,829.60, 13,245.06 and 2,986.20 is: 4,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.60 : 13,245.06 = 2,986.20 : x
  2. Step 2: Convert to fraction form
    8,829.60/13,245.06 = 2,986.20/x
  3. Step 3: Cross multiply
    8,829.60x = 13,245.06 × 2,986.20
  4. Step 4: Simplify right side
    8,829.60x = 39,552,398.17
  5. Step 5: Solve for x
    x = 39,552,398.17/8,829.60
  6. Step 6: Final answer
    x = 4,479.52

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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.