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Finding the Fourth Proportional to 4,469.22, 6,703.62 and 1,507.47

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Solution

The fourth proportional to 4,469.22, 6,703.62 and 1,507.47 is: 2,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,469.22 : 6,703.62 = 1,507.47 : x
  2. Step 2: Convert to fraction form
    4,469.22/6,703.62 = 1,507.47/x
  3. Step 3: Cross multiply
    4,469.22x = 6,703.62 × 1,507.47
  4. Step 4: Simplify right side
    4,469.22x = 10,105,506.04
  5. Step 5: Solve for x
    x = 10,105,506.04/4,469.22
  6. Step 6: Final answer
    x = 2,261.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.