Home / 8,110.39-12,165.63-2,849.20

Finding the Fourth Proportional to 8,110.39, 12,165.63 and 2,849.20

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Solution

The fourth proportional to 8,110.39, 12,165.63 and 2,849.20 is: 4,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.39 : 12,165.63 = 2,849.20 : x
  2. Step 2: Convert to fraction form
    8,110.39/12,165.63 = 2,849.20/x
  3. Step 3: Cross multiply
    8,110.39x = 12,165.63 × 2,849.20
  4. Step 4: Simplify right side
    8,110.39x = 34,662,313.00
  5. Step 5: Solve for x
    x = 34,662,313.00/8,110.39
  6. Step 6: Final answer
    x = 4,273.82

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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.