Home / 7,146.21-10,718.24-2,763.12

Finding the Fourth Proportional to 7,146.21, 10,718.24 and 2,763.12

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Solution

The fourth proportional to 7,146.21, 10,718.24 and 2,763.12 is: 4,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.21 : 10,718.24 = 2,763.12 : x
  2. Step 2: Convert to fraction form
    7,146.21/10,718.24 = 2,763.12/x
  3. Step 3: Cross multiply
    7,146.21x = 10,718.24 × 2,763.12
  4. Step 4: Simplify right side
    7,146.21x = 29,615,769.49
  5. Step 5: Solve for x
    x = 29,615,769.49/7,146.21
  6. Step 6: Final answer
    x = 4,144.26

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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.