Home / 8,115.16-11,199.44-4,577.08

Finding the Fourth Proportional to 8,115.16, 11,199.44 and 4,577.08

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Solution

The fourth proportional to 8,115.16, 11,199.44 and 4,577.08 is: 6,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.16 : 11,199.44 = 4,577.08 : x
  2. Step 2: Convert to fraction form
    8,115.16/11,199.44 = 4,577.08/x
  3. Step 3: Cross multiply
    8,115.16x = 11,199.44 × 4,577.08
  4. Step 4: Simplify right side
    8,115.16x = 51,260,732.84
  5. Step 5: Solve for x
    x = 51,260,732.84/8,115.16
  6. Step 6: Final answer
    x = 6,316.66

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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.