Home / 5,531.40-8,298.12-1,582.49

Finding the Fourth Proportional to 5,531.40, 8,298.12 and 1,582.49

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Solution

The fourth proportional to 5,531.40, 8,298.12 and 1,582.49 is: 2,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.40 : 8,298.12 = 1,582.49 : x
  2. Step 2: Convert to fraction form
    5,531.40/8,298.12 = 1,582.49/x
  3. Step 3: Cross multiply
    5,531.40x = 8,298.12 × 1,582.49
  4. Step 4: Simplify right side
    5,531.40x = 13,131,691.92
  5. Step 5: Solve for x
    x = 13,131,691.92/5,531.40
  6. Step 6: Final answer
    x = 2,374.03

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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.