Home / 8,820.75-13,230.62-6,451.26

Finding the Fourth Proportional to 8,820.75, 13,230.62 and 6,451.26

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Solution

The fourth proportional to 8,820.75, 13,230.62 and 6,451.26 is: 9,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.75 : 13,230.62 = 6,451.26 : x
  2. Step 2: Convert to fraction form
    8,820.75/13,230.62 = 6,451.26/x
  3. Step 3: Cross multiply
    8,820.75x = 13,230.62 × 6,451.26
  4. Step 4: Simplify right side
    8,820.75x = 85,354,137.32
  5. Step 5: Solve for x
    x = 85,354,137.32/8,820.75
  6. Step 6: Final answer
    x = 9,676.52

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Double scale
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Similar ratio
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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.