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Finding the Fourth Proportional to 5,005.42, 6,907.42 and 2,767.44

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Solution

The fourth proportional to 5,005.42, 6,907.42 and 2,767.44 is: 3,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.42 : 6,907.42 = 2,767.44 : x
  2. Step 2: Convert to fraction form
    5,005.42/6,907.42 = 2,767.44/x
  3. Step 3: Cross multiply
    5,005.42x = 6,907.42 × 2,767.44
  4. Step 4: Simplify right side
    5,005.42x = 19,115,870.40
  5. Step 5: Solve for x
    x = 19,115,870.40/5,005.42
  6. Step 6: Final answer
    x = 3,819.03

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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.