Home / 5,712.21-8,568.45-2,941.20

Finding the Fourth Proportional to 5,712.21, 8,568.45 and 2,941.20

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Solution

The fourth proportional to 5,712.21, 8,568.45 and 2,941.20 is: 4,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.21 : 8,568.45 = 2,941.20 : x
  2. Step 2: Convert to fraction form
    5,712.21/8,568.45 = 2,941.20/x
  3. Step 3: Cross multiply
    5,712.21x = 8,568.45 × 2,941.20
  4. Step 4: Simplify right side
    5,712.21x = 25,201,525.14
  5. Step 5: Solve for x
    x = 25,201,525.14/5,712.21
  6. Step 6: Final answer
    x = 4,411.87

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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.