Home / 5,679.23-8,510.94-2,165.58

Finding the Fourth Proportional to 5,679.23, 8,510.94 and 2,165.58

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Solution

The fourth proportional to 5,679.23, 8,510.94 and 2,165.58 is: 3,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.23 : 8,510.94 = 2,165.58 : x
  2. Step 2: Convert to fraction form
    5,679.23/8,510.94 = 2,165.58/x
  3. Step 3: Cross multiply
    5,679.23x = 8,510.94 × 2,165.58
  4. Step 4: Simplify right side
    5,679.23x = 18,431,121.45
  5. Step 5: Solve for x
    x = 18,431,121.45/5,679.23
  6. Step 6: Final answer
    x = 3,245.36

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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.