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Finding the Fourth Proportional to 8,177.98, 12,267.02 and 2,913.19

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Solution

The fourth proportional to 8,177.98, 12,267.02 and 2,913.19 is: 4,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.98 : 12,267.02 = 2,913.19 : x
  2. Step 2: Convert to fraction form
    8,177.98/12,267.02 = 2,913.19/x
  3. Step 3: Cross multiply
    8,177.98x = 12,267.02 × 2,913.19
  4. Step 4: Simplify right side
    8,177.98x = 35,736,159.99
  5. Step 5: Solve for x
    x = 35,736,159.99/8,177.98
  6. Step 6: Final answer
    x = 4,369.80

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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.