Home / 6,320.65-8,727.12-4,083.85

Finding the Fourth Proportional to 6,320.65, 8,727.12 and 4,083.85

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Solution

The fourth proportional to 6,320.65, 8,727.12 and 4,083.85 is: 5,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.65 : 8,727.12 = 4,083.85 : x
  2. Step 2: Convert to fraction form
    6,320.65/8,727.12 = 4,083.85/x
  3. Step 3: Cross multiply
    6,320.65x = 8,727.12 × 4,083.85
  4. Step 4: Simplify right side
    6,320.65x = 35,640,249.01
  5. Step 5: Solve for x
    x = 35,640,249.01/6,320.65
  6. Step 6: Final answer
    x = 5,638.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.