Home / 6,678.56-10,019.27-1,998.93

Finding the Fourth Proportional to 6,678.56, 10,019.27 and 1,998.93

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Solution

The fourth proportional to 6,678.56, 10,019.27 and 1,998.93 is: 2,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.56 : 10,019.27 = 1,998.93 : x
  2. Step 2: Convert to fraction form
    6,678.56/10,019.27 = 1,998.93/x
  3. Step 3: Cross multiply
    6,678.56x = 10,019.27 × 1,998.93
  4. Step 4: Simplify right side
    6,678.56x = 20,027,819.38
  5. Step 5: Solve for x
    x = 20,027,819.38/6,678.56
  6. Step 6: Final answer
    x = 2,998.82

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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.