Home / 4,991.40-6,888.16-2,753.34

Finding the Fourth Proportional to 4,991.40, 6,888.16 and 2,753.34

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Solution

The fourth proportional to 4,991.40, 6,888.16 and 2,753.34 is: 3,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.40 : 6,888.16 = 2,753.34 : x
  2. Step 2: Convert to fraction form
    4,991.40/6,888.16 = 2,753.34/x
  3. Step 3: Cross multiply
    4,991.40x = 6,888.16 × 2,753.34
  4. Step 4: Simplify right side
    4,991.40x = 18,965,446.45
  5. Step 5: Solve for x
    x = 18,965,446.45/4,991.40
  6. Step 6: Final answer
    x = 3,799.62

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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.