Home / 4,920.13-7,371.96-3,886.84

Finding the Fourth Proportional to 4,920.13, 7,371.96 and 3,886.84

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Solution

The fourth proportional to 4,920.13, 7,371.96 and 3,886.84 is: 5,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.13 : 7,371.96 = 3,886.84 : x
  2. Step 2: Convert to fraction form
    4,920.13/7,371.96 = 3,886.84/x
  3. Step 3: Cross multiply
    4,920.13x = 7,371.96 × 3,886.84
  4. Step 4: Simplify right side
    4,920.13x = 28,653,629.01
  5. Step 5: Solve for x
    x = 28,653,629.01/4,920.13
  6. Step 6: Final answer
    x = 5,823.75

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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.