Home / 8,840.75-12,198.60-5,256.90

Finding the Fourth Proportional to 8,840.75, 12,198.60 and 5,256.90

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Solution

The fourth proportional to 8,840.75, 12,198.60 and 5,256.90 is: 7,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.75 : 12,198.60 = 5,256.90 : x
  2. Step 2: Convert to fraction form
    8,840.75/12,198.60 = 5,256.90/x
  3. Step 3: Cross multiply
    8,840.75x = 12,198.60 × 5,256.90
  4. Step 4: Simplify right side
    8,840.75x = 64,126,820.34
  5. Step 5: Solve for x
    x = 64,126,820.34/8,840.75
  6. Step 6: Final answer
    x = 7,253.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.