Home / 6,678.45-10,017.56-1,998.47

Finding the Fourth Proportional to 6,678.45, 10,017.56 and 1,998.47

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Solution

The fourth proportional to 6,678.45, 10,017.56 and 1,998.47 is: 2,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.45 : 10,017.56 = 1,998.47 : x
  2. Step 2: Convert to fraction form
    6,678.45/10,017.56 = 1,998.47/x
  3. Step 3: Cross multiply
    6,678.45x = 10,017.56 × 1,998.47
  4. Step 4: Simplify right side
    6,678.45x = 20,019,733.05
  5. Step 5: Solve for x
    x = 20,019,733.05/6,678.45
  6. Step 6: Final answer
    x = 2,997.66

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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.