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Finding the Fourth Proportional to 4,487.09, 6,731.24 and 1,565.01

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Solution

The fourth proportional to 4,487.09, 6,731.24 and 1,565.01 is: 2,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.09 : 6,731.24 = 1,565.01 : x
  2. Step 2: Convert to fraction form
    4,487.09/6,731.24 = 1,565.01/x
  3. Step 3: Cross multiply
    4,487.09x = 6,731.24 × 1,565.01
  4. Step 4: Simplify right side
    4,487.09x = 10,534,450.09
  5. Step 5: Solve for x
    x = 10,534,450.09/4,487.09
  6. Step 6: Final answer
    x = 2,347.73

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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.