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Finding the Fourth Proportional to 8,891.52, 13,339.32 and 3,048.12

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Solution

The fourth proportional to 8,891.52, 13,339.32 and 3,048.12 is: 4,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.52 : 13,339.32 = 3,048.12 : x
  2. Step 2: Convert to fraction form
    8,891.52/13,339.32 = 3,048.12/x
  3. Step 3: Cross multiply
    8,891.52x = 13,339.32 × 3,048.12
  4. Step 4: Simplify right side
    8,891.52x = 40,659,848.08
  5. Step 5: Solve for x
    x = 40,659,848.08/8,891.52
  6. Step 6: Final answer
    x = 4,572.88

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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.