Home / 8,112.10-12,151.14-4,204.66

Finding the Fourth Proportional to 8,112.10, 12,151.14 and 4,204.66

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Solution

The fourth proportional to 8,112.10, 12,151.14 and 4,204.66 is: 6,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.10 : 12,151.14 = 4,204.66 : x
  2. Step 2: Convert to fraction form
    8,112.10/12,151.14 = 4,204.66/x
  3. Step 3: Cross multiply
    8,112.10x = 12,151.14 × 4,204.66
  4. Step 4: Simplify right side
    8,112.10x = 51,091,412.31
  5. Step 5: Solve for x
    x = 51,091,412.31/8,112.10
  6. Step 6: Final answer
    x = 6,298.17

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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.