Home / 4,991.68-6,888.84-2,753.56

Finding the Fourth Proportional to 4,991.68, 6,888.84 and 2,753.56

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Solution

The fourth proportional to 4,991.68, 6,888.84 and 2,753.56 is: 3,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.68 : 6,888.84 = 2,753.56 : x
  2. Step 2: Convert to fraction form
    4,991.68/6,888.84 = 2,753.56/x
  3. Step 3: Cross multiply
    4,991.68x = 6,888.84 × 2,753.56
  4. Step 4: Simplify right side
    4,991.68x = 18,968,834.27
  5. Step 5: Solve for x
    x = 18,968,834.27/4,991.68
  6. Step 6: Final answer
    x = 3,800.09

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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.