Home / 5,384.01-8,079.66-2,919.63

Finding the Fourth Proportional to 5,384.01, 8,079.66 and 2,919.63

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Solution

The fourth proportional to 5,384.01, 8,079.66 and 2,919.63 is: 4,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.01 : 8,079.66 = 2,919.63 : x
  2. Step 2: Convert to fraction form
    5,384.01/8,079.66 = 2,919.63/x
  3. Step 3: Cross multiply
    5,384.01x = 8,079.66 × 2,919.63
  4. Step 4: Simplify right side
    5,384.01x = 23,589,617.73
  5. Step 5: Solve for x
    x = 23,589,617.73/5,384.01
  6. Step 6: Final answer
    x = 4,381.42

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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.