Home / 5,717.18-8,577.39-2,945.87

Finding the Fourth Proportional to 5,717.18, 8,577.39 and 2,945.87

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Solution

The fourth proportional to 5,717.18, 8,577.39 and 2,945.87 is: 4,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.18 : 8,577.39 = 2,945.87 : x
  2. Step 2: Convert to fraction form
    5,717.18/8,577.39 = 2,945.87/x
  3. Step 3: Cross multiply
    5,717.18x = 8,577.39 × 2,945.87
  4. Step 4: Simplify right side
    5,717.18x = 25,267,875.88
  5. Step 5: Solve for x
    x = 25,267,875.88/5,717.18
  6. Step 6: Final answer
    x = 4,419.64

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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.