Home / 8,191.46-12,285.06-2,346.71

Finding the Fourth Proportional to 8,191.46, 12,285.06 and 2,346.71

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Solution

The fourth proportional to 8,191.46, 12,285.06 and 2,346.71 is: 3,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.46 : 12,285.06 = 2,346.71 : x
  2. Step 2: Convert to fraction form
    8,191.46/12,285.06 = 2,346.71/x
  3. Step 3: Cross multiply
    8,191.46x = 12,285.06 × 2,346.71
  4. Step 4: Simplify right side
    8,191.46x = 28,829,473.15
  5. Step 5: Solve for x
    x = 28,829,473.15/8,191.46
  6. Step 6: Final answer
    x = 3,519.45

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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.