Home / 5,568.69-7,685.50-3,210.85

Finding the Fourth Proportional to 5,568.69, 7,685.50 and 3,210.85

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Solution

The fourth proportional to 5,568.69, 7,685.50 and 3,210.85 is: 4,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.69 : 7,685.50 = 3,210.85 : x
  2. Step 2: Convert to fraction form
    5,568.69/7,685.50 = 3,210.85/x
  3. Step 3: Cross multiply
    5,568.69x = 7,685.50 × 3,210.85
  4. Step 4: Simplify right side
    5,568.69x = 24,676,987.68
  5. Step 5: Solve for x
    x = 24,676,987.68/5,568.69
  6. Step 6: Final answer
    x = 4,431.38

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Half scale
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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.