Home / 5,122.20-7,683.30-4,320.30

Finding the Fourth Proportional to 5,122.20, 7,683.30 and 4,320.30

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Solution

The fourth proportional to 5,122.20, 7,683.30 and 4,320.30 is: 6,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.20 : 7,683.30 = 4,320.30 : x
  2. Step 2: Convert to fraction form
    5,122.20/7,683.30 = 4,320.30/x
  3. Step 3: Cross multiply
    5,122.20x = 7,683.30 × 4,320.30
  4. Step 4: Simplify right side
    5,122.20x = 33,194,160.99
  5. Step 5: Solve for x
    x = 33,194,160.99/5,122.20
  6. Step 6: Final answer
    x = 6,480.45

Related Problems

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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.