Home / 5,579.82-8,358.12-3,931.02

Finding the Fourth Proportional to 5,579.82, 8,358.12 and 3,931.02

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Solution

The fourth proportional to 5,579.82, 8,358.12 and 3,931.02 is: 5,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.82 : 8,358.12 = 3,931.02 : x
  2. Step 2: Convert to fraction form
    5,579.82/8,358.12 = 3,931.02/x
  3. Step 3: Cross multiply
    5,579.82x = 8,358.12 × 3,931.02
  4. Step 4: Simplify right side
    5,579.82x = 32,855,936.88
  5. Step 5: Solve for x
    x = 32,855,936.88/5,579.82
  6. Step 6: Final answer
    x = 5,888.35

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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.