Home / 7,254.23-10,882.86-2,871.72

Finding the Fourth Proportional to 7,254.23, 10,882.86 and 2,871.72

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Solution

The fourth proportional to 7,254.23, 10,882.86 and 2,871.72 is: 4,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.23 : 10,882.86 = 2,871.72 : x
  2. Step 2: Convert to fraction form
    7,254.23/10,882.86 = 2,871.72/x
  3. Step 3: Cross multiply
    7,254.23x = 10,882.86 × 2,871.72
  4. Step 4: Simplify right side
    7,254.23x = 31,252,515.95
  5. Step 5: Solve for x
    x = 31,252,515.95/7,254.23
  6. Step 6: Final answer
    x = 4,308.18

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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.