Home / 9,029.68-13,545.82-2,790.24

Finding the Fourth Proportional to 9,029.68, 13,545.82 and 2,790.24

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Solution

The fourth proportional to 9,029.68, 13,545.82 and 2,790.24 is: 4,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.68 : 13,545.82 = 2,790.24 : x
  2. Step 2: Convert to fraction form
    9,029.68/13,545.82 = 2,790.24/x
  3. Step 3: Cross multiply
    9,029.68x = 13,545.82 × 2,790.24
  4. Step 4: Simplify right side
    9,029.68x = 37,796,081.82
  5. Step 5: Solve for x
    x = 37,796,081.82/9,029.68
  6. Step 6: Final answer
    x = 4,185.76

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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.