Home / 5,101.44-7,642.42-3,455.16

Finding the Fourth Proportional to 5,101.44, 7,642.42 and 3,455.16

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Solution

The fourth proportional to 5,101.44, 7,642.42 and 3,455.16 is: 5,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.44 : 7,642.42 = 3,455.16 : x
  2. Step 2: Convert to fraction form
    5,101.44/7,642.42 = 3,455.16/x
  3. Step 3: Cross multiply
    5,101.44x = 7,642.42 × 3,455.16
  4. Step 4: Simplify right side
    5,101.44x = 26,405,783.89
  5. Step 5: Solve for x
    x = 26,405,783.89/5,101.44
  6. Step 6: Final answer
    x = 5,176.14

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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.