Home / 4,920.30-7,380.45-3,365.10

Finding the Fourth Proportional to 4,920.30, 7,380.45 and 3,365.10

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Solution

The fourth proportional to 4,920.30, 7,380.45 and 3,365.10 is: 5,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.30 : 7,380.45 = 3,365.10 : x
  2. Step 2: Convert to fraction form
    4,920.30/7,380.45 = 3,365.10/x
  3. Step 3: Cross multiply
    4,920.30x = 7,380.45 × 3,365.10
  4. Step 4: Simplify right side
    4,920.30x = 24,835,952.30
  5. Step 5: Solve for x
    x = 24,835,952.30/4,920.30
  6. Step 6: Final answer
    x = 5,047.65

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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.