Home / 5,587.60-8,371.80-3,638.80

Finding the Fourth Proportional to 5,587.60, 8,371.80 and 3,638.80

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Solution

The fourth proportional to 5,587.60, 8,371.80 and 3,638.80 is: 5,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.60 : 8,371.80 = 3,638.80 : x
  2. Step 2: Convert to fraction form
    5,587.60/8,371.80 = 3,638.80/x
  3. Step 3: Cross multiply
    5,587.60x = 8,371.80 × 3,638.80
  4. Step 4: Simplify right side
    5,587.60x = 30,463,305.84
  5. Step 5: Solve for x
    x = 30,463,305.84/5,587.60
  6. Step 6: Final answer
    x = 5,451.95

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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.