Home / 4,920.22-7,382.35-3,610.65

Finding the Fourth Proportional to 4,920.22, 7,382.35 and 3,610.65

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Solution

The fourth proportional to 4,920.22, 7,382.35 and 3,610.65 is: 5,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.22 : 7,382.35 = 3,610.65 : x
  2. Step 2: Convert to fraction form
    4,920.22/7,382.35 = 3,610.65/x
  3. Step 3: Cross multiply
    4,920.22x = 7,382.35 × 3,610.65
  4. Step 4: Simplify right side
    4,920.22x = 26,655,082.03
  5. Step 5: Solve for x
    x = 26,655,082.03/4,920.22
  6. Step 6: Final answer
    x = 5,417.46

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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.