Home / 5,211.48-7,816.38-2,289.24

Finding the Fourth Proportional to 5,211.48, 7,816.38 and 2,289.24

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Solution

The fourth proportional to 5,211.48, 7,816.38 and 2,289.24 is: 3,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.48 : 7,816.38 = 2,289.24 : x
  2. Step 2: Convert to fraction form
    5,211.48/7,816.38 = 2,289.24/x
  3. Step 3: Cross multiply
    5,211.48x = 7,816.38 × 2,289.24
  4. Step 4: Simplify right side
    5,211.48x = 17,893,569.75
  5. Step 5: Solve for x
    x = 17,893,569.75/5,211.48
  6. Step 6: Final answer
    x = 3,433.49

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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.