Home / 8,560.20-11,819.21-6,764.97

Finding the Fourth Proportional to 8,560.20, 11,819.21 and 6,764.97

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Solution

The fourth proportional to 8,560.20, 11,819.21 and 6,764.97 is: 9,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.20 : 11,819.21 = 6,764.97 : x
  2. Step 2: Convert to fraction form
    8,560.20/11,819.21 = 6,764.97/x
  3. Step 3: Cross multiply
    8,560.20x = 11,819.21 × 6,764.97
  4. Step 4: Simplify right side
    8,560.20x = 79,956,567.25
  5. Step 5: Solve for x
    x = 79,956,567.25/8,560.20
  6. Step 6: Final answer
    x = 9,340.50

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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.