Home / 8,162.80-11,269.29-6,245.02

Finding the Fourth Proportional to 8,162.80, 11,269.29 and 6,245.02

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Solution

The fourth proportional to 8,162.80, 11,269.29 and 6,245.02 is: 8,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.80 : 11,269.29 = 6,245.02 : x
  2. Step 2: Convert to fraction form
    8,162.80/11,269.29 = 6,245.02/x
  3. Step 3: Cross multiply
    8,162.80x = 11,269.29 × 6,245.02
  4. Step 4: Simplify right side
    8,162.80x = 70,376,915.55
  5. Step 5: Solve for x
    x = 70,376,915.55/8,162.80
  6. Step 6: Final answer
    x = 8,621.66

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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.