Home / 8,730.12-12,047.22-5,194.92

Finding the Fourth Proportional to 8,730.12, 12,047.22 and 5,194.92

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Solution

The fourth proportional to 8,730.12, 12,047.22 and 5,194.92 is: 7,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.12 : 12,047.22 = 5,194.92 : x
  2. Step 2: Convert to fraction form
    8,730.12/12,047.22 = 5,194.92/x
  3. Step 3: Cross multiply
    8,730.12x = 12,047.22 × 5,194.92
  4. Step 4: Simplify right side
    8,730.12x = 62,584,344.12
  5. Step 5: Solve for x
    x = 62,584,344.12/8,730.12
  6. Step 6: Final answer
    x = 7,168.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.