Home / 7,132.21-10,694.21-2,749.10

Finding the Fourth Proportional to 7,132.21, 10,694.21 and 2,749.10

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Solution

The fourth proportional to 7,132.21, 10,694.21 and 2,749.10 is: 4,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.21 : 10,694.21 = 2,749.10 : x
  2. Step 2: Convert to fraction form
    7,132.21/10,694.21 = 2,749.10/x
  3. Step 3: Cross multiply
    7,132.21x = 10,694.21 × 2,749.10
  4. Step 4: Simplify right side
    7,132.21x = 29,399,452.71
  5. Step 5: Solve for x
    x = 29,399,452.71/7,132.21
  6. Step 6: Final answer
    x = 4,122.07

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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.