Home / 5,384.72-8,073.36-2,747.12

Finding the Fourth Proportional to 5,384.72, 8,073.36 and 2,747.12

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Solution

The fourth proportional to 5,384.72, 8,073.36 and 2,747.12 is: 4,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.72 : 8,073.36 = 2,747.12 : x
  2. Step 2: Convert to fraction form
    5,384.72/8,073.36 = 2,747.12/x
  3. Step 3: Cross multiply
    5,384.72x = 8,073.36 × 2,747.12
  4. Step 4: Simplify right side
    5,384.72x = 22,178,448.36
  5. Step 5: Solve for x
    x = 22,178,448.36/5,384.72
  6. Step 6: Final answer
    x = 4,118.77

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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.