Home / 7,132.16-10,698.37-2,201.78

Finding the Fourth Proportional to 7,132.16, 10,698.37 and 2,201.78

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Solution

The fourth proportional to 7,132.16, 10,698.37 and 2,201.78 is: 3,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.16 : 10,698.37 = 2,201.78 : x
  2. Step 2: Convert to fraction form
    7,132.16/10,698.37 = 2,201.78/x
  3. Step 3: Cross multiply
    7,132.16x = 10,698.37 × 2,201.78
  4. Step 4: Simplify right side
    7,132.16x = 23,555,478.34
  5. Step 5: Solve for x
    x = 23,555,478.34/7,132.16
  6. Step 6: Final answer
    x = 3,302.71

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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.