Home / 4,127.68-5,687.27-2,799.08

Finding the Fourth Proportional to 4,127.68, 5,687.27 and 2,799.08

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Solution

The fourth proportional to 4,127.68, 5,687.27 and 2,799.08 is: 3,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.68 : 5,687.27 = 2,799.08 : x
  2. Step 2: Convert to fraction form
    4,127.68/5,687.27 = 2,799.08/x
  3. Step 3: Cross multiply
    4,127.68x = 5,687.27 × 2,799.08
  4. Step 4: Simplify right side
    4,127.68x = 15,919,113.10
  5. Step 5: Solve for x
    x = 15,919,113.10/4,127.68
  6. Step 6: Final answer
    x = 3,856.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.