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Finding the Fourth Proportional to 5,910.57, 8,865.88 and 1,527.72

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Solution

The fourth proportional to 5,910.57, 8,865.88 and 1,527.72 is: 2,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.57 : 8,865.88 = 1,527.72 : x
  2. Step 2: Convert to fraction form
    5,910.57/8,865.88 = 1,527.72/x
  3. Step 3: Cross multiply
    5,910.57x = 8,865.88 × 1,527.72
  4. Step 4: Simplify right side
    5,910.57x = 13,544,582.19
  5. Step 5: Solve for x
    x = 13,544,582.19/5,910.57
  6. Step 6: Final answer
    x = 2,291.59

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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.