Home / 5,921.21-8,881.85-2,411.28

Finding the Fourth Proportional to 5,921.21, 8,881.85 and 2,411.28

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Solution

The fourth proportional to 5,921.21, 8,881.85 and 2,411.28 is: 3,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.21 : 8,881.85 = 2,411.28 : x
  2. Step 2: Convert to fraction form
    5,921.21/8,881.85 = 2,411.28/x
  3. Step 3: Cross multiply
    5,921.21x = 8,881.85 × 2,411.28
  4. Step 4: Simplify right side
    5,921.21x = 21,416,633.30
  5. Step 5: Solve for x
    x = 21,416,633.30/5,921.21
  6. Step 6: Final answer
    x = 3,616.93

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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.