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Finding the Fourth Proportional to 8,934.80, 13,402.72 and 3,011.19

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Solution

The fourth proportional to 8,934.80, 13,402.72 and 3,011.19 is: 4,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.80 : 13,402.72 = 3,011.19 : x
  2. Step 2: Convert to fraction form
    8,934.80/13,402.72 = 3,011.19/x
  3. Step 3: Cross multiply
    8,934.80x = 13,402.72 × 3,011.19
  4. Step 4: Simplify right side
    8,934.80x = 40,358,054.37
  5. Step 5: Solve for x
    x = 40,358,054.37/8,934.80
  6. Step 6: Final answer
    x = 4,516.95

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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.