Home / 5,372.29-7,414.64-3,015.19

Finding the Fourth Proportional to 5,372.29, 7,414.64 and 3,015.19

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Solution

The fourth proportional to 5,372.29, 7,414.64 and 3,015.19 is: 4,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.29 : 7,414.64 = 3,015.19 : x
  2. Step 2: Convert to fraction form
    5,372.29/7,414.64 = 3,015.19/x
  3. Step 3: Cross multiply
    5,372.29x = 7,414.64 × 3,015.19
  4. Step 4: Simplify right side
    5,372.29x = 22,356,548.38
  5. Step 5: Solve for x
    x = 22,356,548.38/5,372.29
  6. Step 6: Final answer
    x = 4,161.46

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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.