Home / 4,022.04-6,031.90-1,388.86

Finding the Fourth Proportional to 4,022.04, 6,031.90 and 1,388.86

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Solution

The fourth proportional to 4,022.04, 6,031.90 and 1,388.86 is: 2,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.04 : 6,031.90 = 1,388.86 : x
  2. Step 2: Convert to fraction form
    4,022.04/6,031.90 = 1,388.86/x
  3. Step 3: Cross multiply
    4,022.04x = 6,031.90 × 1,388.86
  4. Step 4: Simplify right side
    4,022.04x = 8,377,464.63
  5. Step 5: Solve for x
    x = 8,377,464.63/4,022.04
  6. Step 6: Final answer
    x = 2,082.89

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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.