Home / 5,688.34-7,850.31-3,170.62

Finding the Fourth Proportional to 5,688.34, 7,850.31 and 3,170.62

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Solution

The fourth proportional to 5,688.34, 7,850.31 and 3,170.62 is: 4,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.34 : 7,850.31 = 3,170.62 : x
  2. Step 2: Convert to fraction form
    5,688.34/7,850.31 = 3,170.62/x
  3. Step 3: Cross multiply
    5,688.34x = 7,850.31 × 3,170.62
  4. Step 4: Simplify right side
    5,688.34x = 24,890,349.89
  5. Step 5: Solve for x
    x = 24,890,349.89/5,688.34
  6. Step 6: Final answer
    x = 4,375.68

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Half scale
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Double 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.