Home / 4,991.72-6,888.59-2,753.56

Finding the Fourth Proportional to 4,991.72, 6,888.59 and 2,753.56

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Solution

The fourth proportional to 4,991.72, 6,888.59 and 2,753.56 is: 3,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.72 : 6,888.59 = 2,753.56 : x
  2. Step 2: Convert to fraction form
    4,991.72/6,888.59 = 2,753.56/x
  3. Step 3: Cross multiply
    4,991.72x = 6,888.59 × 2,753.56
  4. Step 4: Simplify right side
    4,991.72x = 18,968,151.05
  5. Step 5: Solve for x
    x = 18,968,151.05/4,991.72
  6. Step 6: Final answer
    x = 3,799.93

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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.