Home / 5,047.06-6,964.85-2,808.87

Finding the Fourth Proportional to 5,047.06, 6,964.85 and 2,808.87

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Solution

The fourth proportional to 5,047.06, 6,964.85 and 2,808.87 is: 3,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.06 : 6,964.85 = 2,808.87 : x
  2. Step 2: Convert to fraction form
    5,047.06/6,964.85 = 2,808.87/x
  3. Step 3: Cross multiply
    5,047.06x = 6,964.85 × 2,808.87
  4. Step 4: Simplify right side
    5,047.06x = 19,563,358.22
  5. Step 5: Solve for x
    x = 19,563,358.22/5,047.06
  6. Step 6: Final answer
    x = 3,876.19

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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.