Home / 8,169.74-11,272.50-4,811.32

Finding the Fourth Proportional to 8,169.74, 11,272.50 and 4,811.32

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Solution

The fourth proportional to 8,169.74, 11,272.50 and 4,811.32 is: 6,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.74 : 11,272.50 = 4,811.32 : x
  2. Step 2: Convert to fraction form
    8,169.74/11,272.50 = 4,811.32/x
  3. Step 3: Cross multiply
    8,169.74x = 11,272.50 × 4,811.32
  4. Step 4: Simplify right side
    8,169.74x = 54,235,604.70
  5. Step 5: Solve for x
    x = 54,235,604.70/8,169.74
  6. Step 6: Final answer
    x = 6,638.60

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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.