Home / 4,808.76-7,215.29-2,614.20

Finding the Fourth Proportional to 4,808.76, 7,215.29 and 2,614.20

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Solution

The fourth proportional to 4,808.76, 7,215.29 and 2,614.20 is: 3,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.76 : 7,215.29 = 2,614.20 : x
  2. Step 2: Convert to fraction form
    4,808.76/7,215.29 = 2,614.20/x
  3. Step 3: Cross multiply
    4,808.76x = 7,215.29 × 2,614.20
  4. Step 4: Simplify right side
    4,808.76x = 18,862,211.12
  5. Step 5: Solve for x
    x = 18,862,211.12/4,808.76
  6. Step 6: Final answer
    x = 3,922.47

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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.