Home / 5,091.78-7,637.76-3,347.91

Finding the Fourth Proportional to 5,091.78, 7,637.76 and 3,347.91

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Solution

The fourth proportional to 5,091.78, 7,637.76 and 3,347.91 is: 5,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.78 : 7,637.76 = 3,347.91 : x
  2. Step 2: Convert to fraction form
    5,091.78/7,637.76 = 3,347.91/x
  3. Step 3: Cross multiply
    5,091.78x = 7,637.76 × 3,347.91
  4. Step 4: Simplify right side
    5,091.78x = 25,570,533.08
  5. Step 5: Solve for x
    x = 25,570,533.08/5,091.78
  6. Step 6: Final answer
    x = 5,021.92

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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.