Home / 4,855.76-7,282.40-2,082.88

Finding the Fourth Proportional to 4,855.76, 7,282.40 and 2,082.88

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Solution

The fourth proportional to 4,855.76, 7,282.40 and 2,082.88 is: 3,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.76 : 7,282.40 = 2,082.88 : x
  2. Step 2: Convert to fraction form
    4,855.76/7,282.40 = 2,082.88/x
  3. Step 3: Cross multiply
    4,855.76x = 7,282.40 × 2,082.88
  4. Step 4: Simplify right side
    4,855.76x = 15,168,365.31
  5. Step 5: Solve for x
    x = 15,168,365.31/4,855.76
  6. Step 6: Final answer
    x = 3,123.79

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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.