Home / 7,890.72-11,832.30-3,727.26

Finding the Fourth Proportional to 7,890.72, 11,832.30 and 3,727.26

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Solution

The fourth proportional to 7,890.72, 11,832.30 and 3,727.26 is: 5,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.72 : 11,832.30 = 3,727.26 : x
  2. Step 2: Convert to fraction form
    7,890.72/11,832.30 = 3,727.26/x
  3. Step 3: Cross multiply
    7,890.72x = 11,832.30 × 3,727.26
  4. Step 4: Simplify right side
    7,890.72x = 44,102,058.50
  5. Step 5: Solve for x
    x = 44,102,058.50/7,890.72
  6. Step 6: Final answer
    x = 5,589.10

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1.5x scale

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.