Home / 8,582.40-12,876.03-3,387.06

Finding the Fourth Proportional to 8,582.40, 12,876.03 and 3,387.06

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Solution

The fourth proportional to 8,582.40, 12,876.03 and 3,387.06 is: 5,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.40 : 12,876.03 = 3,387.06 : x
  2. Step 2: Convert to fraction form
    8,582.40/12,876.03 = 3,387.06/x
  3. Step 3: Cross multiply
    8,582.40x = 12,876.03 × 3,387.06
  4. Step 4: Simplify right side
    8,582.40x = 43,611,886.17
  5. Step 5: Solve for x
    x = 43,611,886.17/8,582.40
  6. Step 6: Final answer
    x = 5,081.55

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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.