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Finding the Fourth Proportional to 5,047.07, 6,965.07 and 2,809.18

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Solution

The fourth proportional to 5,047.07, 6,965.07 and 2,809.18 is: 3,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.07 : 6,965.07 = 2,809.18 : x
  2. Step 2: Convert to fraction form
    5,047.07/6,965.07 = 2,809.18/x
  3. Step 3: Cross multiply
    5,047.07x = 6,965.07 × 2,809.18
  4. Step 4: Simplify right side
    5,047.07x = 19,566,100.52
  5. Step 5: Solve for x
    x = 19,566,100.52/5,047.07
  6. Step 6: Final answer
    x = 3,876.72

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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.