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Finding the Fourth Proportional to 5,571, 8,353.26 and 1,871.19

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Solution

The fourth proportional to 5,571, 8,353.26 and 1,871.19 is: 2,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571 : 8,353.26 = 1,871.19 : x
  2. Step 2: Convert to fraction form
    5,571/8,353.26 = 1,871.19/x
  3. Step 3: Cross multiply
    5,571x = 8,353.26 × 1,871.19
  4. Step 4: Simplify right side
    5,571x = 15,630,536.58
  5. Step 5: Solve for x
    x = 15,630,536.58/5,571
  6. Step 6: Final answer
    x = 2,805.70

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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.