Home / 4,920.24-7,381.17-2,456.76

Finding the Fourth Proportional to 4,920.24, 7,381.17 and 2,456.76

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Solution

The fourth proportional to 4,920.24, 7,381.17 and 2,456.76 is: 3,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.24 : 7,381.17 = 2,456.76 : x
  2. Step 2: Convert to fraction form
    4,920.24/7,381.17 = 2,456.76/x
  3. Step 3: Cross multiply
    4,920.24x = 7,381.17 × 2,456.76
  4. Step 4: Simplify right side
    4,920.24x = 18,133,763.21
  5. Step 5: Solve for x
    x = 18,133,763.21/4,920.24
  6. Step 6: Final answer
    x = 3,685.54

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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.