Home / 5,685.68-8,523.48-2,220.32

Finding the Fourth Proportional to 5,685.68, 8,523.48 and 2,220.32

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Solution

The fourth proportional to 5,685.68, 8,523.48 and 2,220.32 is: 3,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.68 : 8,523.48 = 2,220.32 : x
  2. Step 2: Convert to fraction form
    5,685.68/8,523.48 = 2,220.32/x
  3. Step 3: Cross multiply
    5,685.68x = 8,523.48 × 2,220.32
  4. Step 4: Simplify right side
    5,685.68x = 18,924,853.11
  5. Step 5: Solve for x
    x = 18,924,853.11/5,685.68
  6. Step 6: Final answer
    x = 3,328.51

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Half scale
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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.