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Finding the Fourth Proportional to 6,395.79, 9,600.22 and 5,281.65

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Solution

The fourth proportional to 6,395.79, 9,600.22 and 5,281.65 is: 7,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.79 : 9,600.22 = 5,281.65 : x
  2. Step 2: Convert to fraction form
    6,395.79/9,600.22 = 5,281.65/x
  3. Step 3: Cross multiply
    6,395.79x = 9,600.22 × 5,281.65
  4. Step 4: Simplify right side
    6,395.79x = 50,705,050.42
  5. Step 5: Solve for x
    x = 50,705,050.42/6,395.79
  6. Step 6: Final answer
    x = 7,927.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.