Home / 5,372.91-7,415.34-3,015.18

Finding the Fourth Proportional to 5,372.91, 7,415.34 and 3,015.18

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Solution

The fourth proportional to 5,372.91, 7,415.34 and 3,015.18 is: 4,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.91 : 7,415.34 = 3,015.18 : x
  2. Step 2: Convert to fraction form
    5,372.91/7,415.34 = 3,015.18/x
  3. Step 3: Cross multiply
    5,372.91x = 7,415.34 × 3,015.18
  4. Step 4: Simplify right side
    5,372.91x = 22,358,584.86
  5. Step 5: Solve for x
    x = 22,358,584.86/5,372.91
  6. Step 6: Final answer
    x = 4,161.35

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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.