Home / 8,177.80-11,281.59-4,818.32

Finding the Fourth Proportional to 8,177.80, 11,281.59 and 4,818.32

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Solution

The fourth proportional to 8,177.80, 11,281.59 and 4,818.32 is: 6,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.80 : 11,281.59 = 4,818.32 : x
  2. Step 2: Convert to fraction form
    8,177.80/11,281.59 = 4,818.32/x
  3. Step 3: Cross multiply
    8,177.80x = 11,281.59 × 4,818.32
  4. Step 4: Simplify right side
    8,177.80x = 54,358,310.73
  5. Step 5: Solve for x
    x = 54,358,310.73/8,177.80
  6. Step 6: Final answer
    x = 6,647.06

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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.