Home / 6,610.68-9,911.16-3,150.36

Finding the Fourth Proportional to 6,610.68, 9,911.16 and 3,150.36

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Solution

The fourth proportional to 6,610.68, 9,911.16 and 3,150.36 is: 4,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.68 : 9,911.16 = 3,150.36 : x
  2. Step 2: Convert to fraction form
    6,610.68/9,911.16 = 3,150.36/x
  3. Step 3: Cross multiply
    6,610.68x = 9,911.16 × 3,150.36
  4. Step 4: Simplify right side
    6,610.68x = 31,223,722.02
  5. Step 5: Solve for x
    x = 31,223,722.02/6,610.68
  6. Step 6: Final answer
    x = 4,723.22

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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.