Home / 5,020.25-6,927.84-2,782.12

Finding the Fourth Proportional to 5,020.25, 6,927.84 and 2,782.12

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Solution

The fourth proportional to 5,020.25, 6,927.84 and 2,782.12 is: 3,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.25 : 6,927.84 = 2,782.12 : x
  2. Step 2: Convert to fraction form
    5,020.25/6,927.84 = 2,782.12/x
  3. Step 3: Cross multiply
    5,020.25x = 6,927.84 × 2,782.12
  4. Step 4: Simplify right side
    5,020.25x = 19,274,082.22
  5. Step 5: Solve for x
    x = 19,274,082.22/5,020.25
  6. Step 6: Final answer
    x = 3,839.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.