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Finding the Fourth Proportional to 8,334.59, 12,501.48 and 2,791.76

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Solution

The fourth proportional to 8,334.59, 12,501.48 and 2,791.76 is: 4,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.59 : 12,501.48 = 2,791.76 : x
  2. Step 2: Convert to fraction form
    8,334.59/12,501.48 = 2,791.76/x
  3. Step 3: Cross multiply
    8,334.59x = 12,501.48 × 2,791.76
  4. Step 4: Simplify right side
    8,334.59x = 34,901,131.80
  5. Step 5: Solve for x
    x = 34,901,131.80/8,334.59
  6. Step 6: Final answer
    x = 4,187.50

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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.