Home / 5,428.38-8,146.49-2,797.99

Finding the Fourth Proportional to 5,428.38, 8,146.49 and 2,797.99

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Solution

The fourth proportional to 5,428.38, 8,146.49 and 2,797.99 is: 4,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.38 : 8,146.49 = 2,797.99 : x
  2. Step 2: Convert to fraction form
    5,428.38/8,146.49 = 2,797.99/x
  3. Step 3: Cross multiply
    5,428.38x = 8,146.49 × 2,797.99
  4. Step 4: Simplify right side
    5,428.38x = 22,793,763.20
  5. Step 5: Solve for x
    x = 22,793,763.20/5,428.38
  6. Step 6: Final answer
    x = 4,199.00

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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.