Home / 8,809.26-12,142.98-6,676.25

Finding the Fourth Proportional to 8,809.26, 12,142.98 and 6,676.25

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Solution

The fourth proportional to 8,809.26, 12,142.98 and 6,676.25 is: 9,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.26 : 12,142.98 = 6,676.25 : x
  2. Step 2: Convert to fraction form
    8,809.26/12,142.98 = 6,676.25/x
  3. Step 3: Cross multiply
    8,809.26x = 12,142.98 × 6,676.25
  4. Step 4: Simplify right side
    8,809.26x = 81,069,600.58
  5. Step 5: Solve for x
    x = 81,069,600.58/8,809.26
  6. Step 6: Final answer
    x = 9,202.77

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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.