Home / 4,920.08-7,381.40-2,456.04

Finding the Fourth Proportional to 4,920.08, 7,381.40 and 2,456.04

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Solution

The fourth proportional to 4,920.08, 7,381.40 and 2,456.04 is: 3,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.08 : 7,381.40 = 2,456.04 : x
  2. Step 2: Convert to fraction form
    4,920.08/7,381.40 = 2,456.04/x
  3. Step 3: Cross multiply
    4,920.08x = 7,381.40 × 2,456.04
  4. Step 4: Simplify right side
    4,920.08x = 18,129,013.66
  5. Step 5: Solve for x
    x = 18,129,013.66/4,920.08
  6. Step 6: Final answer
    x = 3,684.70

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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.