Home / 8,226.38-12,339.57-2,070.38

Finding the Fourth Proportional to 8,226.38, 12,339.57 and 2,070.38

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Solution

The fourth proportional to 8,226.38, 12,339.57 and 2,070.38 is: 3,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.38 : 12,339.57 = 2,070.38 : x
  2. Step 2: Convert to fraction form
    8,226.38/12,339.57 = 2,070.38/x
  3. Step 3: Cross multiply
    8,226.38x = 12,339.57 × 2,070.38
  4. Step 4: Simplify right side
    8,226.38x = 25,547,537.24
  5. Step 5: Solve for x
    x = 25,547,537.24/8,226.38
  6. Step 6: Final answer
    x = 3,105.56

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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.