Home / 5,251.91-7,247.61-2,894.00

Finding the Fourth Proportional to 5,251.91, 7,247.61 and 2,894.00

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Solution

The fourth proportional to 5,251.91, 7,247.61 and 2,894.00 is: 3,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.91 : 7,247.61 = 2,894.00 : x
  2. Step 2: Convert to fraction form
    5,251.91/7,247.61 = 2,894.00/x
  3. Step 3: Cross multiply
    5,251.91x = 7,247.61 × 2,894.00
  4. Step 4: Simplify right side
    5,251.91x = 20,974,547.10
  5. Step 5: Solve for x
    x = 20,974,547.10/5,251.91
  6. Step 6: Final answer
    x = 3,993.70

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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.