Home / 5,685.56-8,528.33-2,220.38

Finding the Fourth Proportional to 5,685.56, 8,528.33 and 2,220.38

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Solution

The fourth proportional to 5,685.56, 8,528.33 and 2,220.38 is: 3,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.56 : 8,528.33 = 2,220.38 : x
  2. Step 2: Convert to fraction form
    5,685.56/8,528.33 = 2,220.38/x
  3. Step 3: Cross multiply
    5,685.56x = 8,528.33 × 2,220.38
  4. Step 4: Simplify right side
    5,685.56x = 18,936,096.27
  5. Step 5: Solve for x
    x = 18,936,096.27/5,685.56
  6. Step 6: Final answer
    x = 3,330.56

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Double scale
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Similar ratio
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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.