Home / 6,600.90-9,110.10-4,249.87

Finding the Fourth Proportional to 6,600.90, 9,110.10 and 4,249.87

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Solution

The fourth proportional to 6,600.90, 9,110.10 and 4,249.87 is: 5,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.90 : 9,110.10 = 4,249.87 : x
  2. Step 2: Convert to fraction form
    6,600.90/9,110.10 = 4,249.87/x
  3. Step 3: Cross multiply
    6,600.90x = 9,110.10 × 4,249.87
  4. Step 4: Simplify right side
    6,600.90x = 38,716,740.69
  5. Step 5: Solve for x
    x = 38,716,740.69/6,600.90
  6. Step 6: Final answer
    x = 5,865.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.