Home / 8,810.25-12,160.43-5,451.11

Finding the Fourth Proportional to 8,810.25, 12,160.43 and 5,451.11

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Solution

The fourth proportional to 8,810.25, 12,160.43 and 5,451.11 is: 7,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.25 : 12,160.43 = 5,451.11 : x
  2. Step 2: Convert to fraction form
    8,810.25/12,160.43 = 5,451.11/x
  3. Step 3: Cross multiply
    8,810.25x = 12,160.43 × 5,451.11
  4. Step 4: Simplify right side
    8,810.25x = 66,287,841.58
  5. Step 5: Solve for x
    x = 66,287,841.58/8,810.25
  6. Step 6: Final answer
    x = 7,523.95

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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.