Home / 5,182.62-7,776.69-2,261.16

Finding the Fourth Proportional to 5,182.62, 7,776.69 and 2,261.16

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Solution

The fourth proportional to 5,182.62, 7,776.69 and 2,261.16 is: 3,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.62 : 7,776.69 = 2,261.16 : x
  2. Step 2: Convert to fraction form
    5,182.62/7,776.69 = 2,261.16/x
  3. Step 3: Cross multiply
    5,182.62x = 7,776.69 × 2,261.16
  4. Step 4: Simplify right side
    5,182.62x = 17,584,290.17
  5. Step 5: Solve for x
    x = 17,584,290.17/5,182.62
  6. Step 6: Final answer
    x = 3,392.93

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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.