Home / 4,891.23-7,337.94-1,428.75

Finding the Fourth Proportional to 4,891.23, 7,337.94 and 1,428.75

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Solution

The fourth proportional to 4,891.23, 7,337.94 and 1,428.75 is: 2,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.23 : 7,337.94 = 1,428.75 : x
  2. Step 2: Convert to fraction form
    4,891.23/7,337.94 = 1,428.75/x
  3. Step 3: Cross multiply
    4,891.23x = 7,337.94 × 1,428.75
  4. Step 4: Simplify right side
    4,891.23x = 10,484,081.78
  5. Step 5: Solve for x
    x = 10,484,081.78/4,891.23
  6. Step 6: Final answer
    x = 2,143.44

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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.