Home / 7,759.66-10,708.38-4,222.87

Finding the Fourth Proportional to 7,759.66, 10,708.38 and 4,222.87

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Solution

The fourth proportional to 7,759.66, 10,708.38 and 4,222.87 is: 5,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.66 : 10,708.38 = 4,222.87 : x
  2. Step 2: Convert to fraction form
    7,759.66/10,708.38 = 4,222.87/x
  3. Step 3: Cross multiply
    7,759.66x = 10,708.38 × 4,222.87
  4. Step 4: Simplify right side
    7,759.66x = 45,220,096.65
  5. Step 5: Solve for x
    x = 45,220,096.65/7,759.66
  6. Step 6: Final answer
    x = 5,827.59

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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.