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Finding the Fourth Proportional to 5,928.15, 8,897.81 and 3,008.55

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Solution

The fourth proportional to 5,928.15, 8,897.81 and 3,008.55 is: 4,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.15 : 8,897.81 = 3,008.55 : x
  2. Step 2: Convert to fraction form
    5,928.15/8,897.81 = 3,008.55/x
  3. Step 3: Cross multiply
    5,928.15x = 8,897.81 × 3,008.55
  4. Step 4: Simplify right side
    5,928.15x = 26,769,506.28
  5. Step 5: Solve for x
    x = 26,769,506.28/5,928.15
  6. Step 6: Final answer
    x = 4,515.66

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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.