Home / 8,180.76-11,290.66-4,822.50

Finding the Fourth Proportional to 8,180.76, 11,290.66 and 4,822.50

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Solution

The fourth proportional to 8,180.76, 11,290.66 and 4,822.50 is: 6,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.76 : 11,290.66 = 4,822.50 : x
  2. Step 2: Convert to fraction form
    8,180.76/11,290.66 = 4,822.50/x
  3. Step 3: Cross multiply
    8,180.76x = 11,290.66 × 4,822.50
  4. Step 4: Simplify right side
    8,180.76x = 54,449,207.85
  5. Step 5: Solve for x
    x = 54,449,207.85/8,180.76
  6. Step 6: Final answer
    x = 6,655.76

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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.