Home / 7,764.75-10,717.20-4,622.76

Finding the Fourth Proportional to 7,764.75, 10,717.20 and 4,622.76

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Solution

The fourth proportional to 7,764.75, 10,717.20 and 4,622.76 is: 6,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.75 : 10,717.20 = 4,622.76 : x
  2. Step 2: Convert to fraction form
    7,764.75/10,717.20 = 4,622.76/x
  3. Step 3: Cross multiply
    7,764.75x = 10,717.20 × 4,622.76
  4. Step 4: Simplify right side
    7,764.75x = 49,543,043.47
  5. Step 5: Solve for x
    x = 49,543,043.47/7,764.75
  6. Step 6: Final answer
    x = 6,380.51

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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.