Home / 7,430.30-11,149.77-3,050.90

Finding the Fourth Proportional to 7,430.30, 11,149.77 and 3,050.90

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Solution

The fourth proportional to 7,430.30, 11,149.77 and 3,050.90 is: 4,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.30 : 11,149.77 = 3,050.90 : x
  2. Step 2: Convert to fraction form
    7,430.30/11,149.77 = 3,050.90/x
  3. Step 3: Cross multiply
    7,430.30x = 11,149.77 × 3,050.90
  4. Step 4: Simplify right side
    7,430.30x = 34,016,833.29
  5. Step 5: Solve for x
    x = 34,016,833.29/7,430.30
  6. Step 6: Final answer
    x = 4,578.12

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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.