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Finding the Fourth Proportional to 5,006.88, 6,909.93 and 2,769.12

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Solution

The fourth proportional to 5,006.88, 6,909.93 and 2,769.12 is: 3,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.88 : 6,909.93 = 2,769.12 : x
  2. Step 2: Convert to fraction form
    5,006.88/6,909.93 = 2,769.12/x
  3. Step 3: Cross multiply
    5,006.88x = 6,909.93 × 2,769.12
  4. Step 4: Simplify right side
    5,006.88x = 19,134,425.36
  5. Step 5: Solve for x
    x = 19,134,425.36/5,006.88
  6. Step 6: Final answer
    x = 3,821.63

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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.