Home / 8,247.83-12,365.88-3,862.90

Finding the Fourth Proportional to 8,247.83, 12,365.88 and 3,862.90

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Solution

The fourth proportional to 8,247.83, 12,365.88 and 3,862.90 is: 5,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.83 : 12,365.88 = 3,862.90 : x
  2. Step 2: Convert to fraction form
    8,247.83/12,365.88 = 3,862.90/x
  3. Step 3: Cross multiply
    8,247.83x = 12,365.88 × 3,862.90
  4. Step 4: Simplify right side
    8,247.83x = 47,768,112.45
  5. Step 5: Solve for x
    x = 47,768,112.45/8,247.83
  6. Step 6: Final answer
    x = 5,791.60

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1.5x scale

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.