Home / 5,243.19-7,235.62-2,853.16

Finding the Fourth Proportional to 5,243.19, 7,235.62 and 2,853.16

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Solution

The fourth proportional to 5,243.19, 7,235.62 and 2,853.16 is: 3,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.19 : 7,235.62 = 2,853.16 : x
  2. Step 2: Convert to fraction form
    5,243.19/7,235.62 = 2,853.16/x
  3. Step 3: Cross multiply
    5,243.19x = 7,235.62 × 2,853.16
  4. Step 4: Simplify right side
    5,243.19x = 20,644,381.56
  5. Step 5: Solve for x
    x = 20,644,381.56/5,243.19
  6. Step 6: Final answer
    x = 3,937.37

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Half scale
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Double scale
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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.