Home / 6,186.15-9,279.23-5,418.15

Finding the Fourth Proportional to 6,186.15, 9,279.23 and 5,418.15

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Solution

The fourth proportional to 6,186.15, 9,279.23 and 5,418.15 is: 8,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.15 : 9,279.23 = 5,418.15 : x
  2. Step 2: Convert to fraction form
    6,186.15/9,279.23 = 5,418.15/x
  3. Step 3: Cross multiply
    6,186.15x = 9,279.23 × 5,418.15
  4. Step 4: Simplify right side
    6,186.15x = 50,276,232.93
  5. Step 5: Solve for x
    x = 50,276,232.93/6,186.15
  6. Step 6: Final answer
    x = 8,127.23

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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.