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Finding the Fourth Proportional to 5,671, 8,506.50 and 1,775.51

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Solution

The fourth proportional to 5,671, 8,506.50 and 1,775.51 is: 2,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671 : 8,506.50 = 1,775.51 : x
  2. Step 2: Convert to fraction form
    5,671/8,506.50 = 1,775.51/x
  3. Step 3: Cross multiply
    5,671x = 8,506.50 × 1,775.51
  4. Step 4: Simplify right side
    5,671x = 15,103,375.82
  5. Step 5: Solve for x
    x = 15,103,375.82/5,671
  6. Step 6: Final answer
    x = 2,663.27

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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.