Home / 5,047.30-6,964.98-2,809.07

Finding the Fourth Proportional to 5,047.30, 6,964.98 and 2,809.07

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Solution

The fourth proportional to 5,047.30, 6,964.98 and 2,809.07 is: 3,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.30 : 6,964.98 = 2,809.07 : x
  2. Step 2: Convert to fraction form
    5,047.30/6,964.98 = 2,809.07/x
  3. Step 3: Cross multiply
    5,047.30x = 6,964.98 × 2,809.07
  4. Step 4: Simplify right side
    5,047.30x = 19,565,081.54
  5. Step 5: Solve for x
    x = 19,565,081.54/5,047.30
  6. Step 6: Final answer
    x = 3,876.35

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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.