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Finding the Fourth Proportional to 6,560.88, 9,051.96 and 3,907.44

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Solution

The fourth proportional to 6,560.88, 9,051.96 and 3,907.44 is: 5,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.88 : 9,051.96 = 3,907.44 : x
  2. Step 2: Convert to fraction form
    6,560.88/9,051.96 = 3,907.44/x
  3. Step 3: Cross multiply
    6,560.88x = 9,051.96 × 3,907.44
  4. Step 4: Simplify right side
    6,560.88x = 35,369,990.58
  5. Step 5: Solve for x
    x = 35,369,990.58/6,560.88
  6. Step 6: Final answer
    x = 5,391.04

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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.