Home / 6,422.81-8,859.66-4,060.85

Finding the Fourth Proportional to 6,422.81, 8,859.66 and 4,060.85

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Solution

The fourth proportional to 6,422.81, 8,859.66 and 4,060.85 is: 5,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.81 : 8,859.66 = 4,060.85 : x
  2. Step 2: Convert to fraction form
    6,422.81/8,859.66 = 4,060.85/x
  3. Step 3: Cross multiply
    6,422.81x = 8,859.66 × 4,060.85
  4. Step 4: Simplify right side
    6,422.81x = 35,977,750.31
  5. Step 5: Solve for x
    x = 35,977,750.31/6,422.81
  6. Step 6: Final answer
    x = 5,601.56

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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.