Home / 7,121.76-10,675.92-2,502.24

Finding the Fourth Proportional to 7,121.76, 10,675.92 and 2,502.24

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Solution

The fourth proportional to 7,121.76, 10,675.92 and 2,502.24 is: 3,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.76 : 10,675.92 = 2,502.24 : x
  2. Step 2: Convert to fraction form
    7,121.76/10,675.92 = 2,502.24/x
  3. Step 3: Cross multiply
    7,121.76x = 10,675.92 × 2,502.24
  4. Step 4: Simplify right side
    7,121.76x = 26,713,714.06
  5. Step 5: Solve for x
    x = 26,713,714.06/7,121.76
  6. Step 6: Final answer
    x = 3,751.00

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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.