Home / 6,158.80-9,239.66-1,998.82

Finding the Fourth Proportional to 6,158.80, 9,239.66 and 1,998.82

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Solution

The fourth proportional to 6,158.80, 9,239.66 and 1,998.82 is: 2,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158.80 : 9,239.66 = 1,998.82 : x
  2. Step 2: Convert to fraction form
    6,158.80/9,239.66 = 1,998.82/x
  3. Step 3: Cross multiply
    6,158.80x = 9,239.66 × 1,998.82
  4. Step 4: Simplify right side
    6,158.80x = 18,468,417.20
  5. Step 5: Solve for x
    x = 18,468,417.20/6,158.80
  6. Step 6: Final answer
    x = 2,998.70

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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.