Home / 6,382.19-9,574.34-1,998.61

Finding the Fourth Proportional to 6,382.19, 9,574.34 and 1,998.61

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Solution

The fourth proportional to 6,382.19, 9,574.34 and 1,998.61 is: 2,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.19 : 9,574.34 = 1,998.61 : x
  2. Step 2: Convert to fraction form
    6,382.19/9,574.34 = 1,998.61/x
  3. Step 3: Cross multiply
    6,382.19x = 9,574.34 × 1,998.61
  4. Step 4: Simplify right side
    6,382.19x = 19,135,337.74
  5. Step 5: Solve for x
    x = 19,135,337.74/6,382.19
  6. Step 6: Final answer
    x = 2,998.24

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Half scale
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Double scale
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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.