Home / 8,458.44-12,687.66-5,343.18

Finding the Fourth Proportional to 8,458.44, 12,687.66 and 5,343.18

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Solution

The fourth proportional to 8,458.44, 12,687.66 and 5,343.18 is: 8,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.44 : 12,687.66 = 5,343.18 : x
  2. Step 2: Convert to fraction form
    8,458.44/12,687.66 = 5,343.18/x
  3. Step 3: Cross multiply
    8,458.44x = 12,687.66 × 5,343.18
  4. Step 4: Simplify right side
    8,458.44x = 67,792,403.58
  5. Step 5: Solve for x
    x = 67,792,403.58/8,458.44
  6. Step 6: Final answer
    x = 8,014.77

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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.