Home / 8,260.91-11,399.20-4,724.35

Finding the Fourth Proportional to 8,260.91, 11,399.20 and 4,724.35

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Solution

The fourth proportional to 8,260.91, 11,399.20 and 4,724.35 is: 6,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.91 : 11,399.20 = 4,724.35 : x
  2. Step 2: Convert to fraction form
    8,260.91/11,399.20 = 4,724.35/x
  3. Step 3: Cross multiply
    8,260.91x = 11,399.20 × 4,724.35
  4. Step 4: Simplify right side
    8,260.91x = 53,853,770.21
  5. Step 5: Solve for x
    x = 53,853,770.21/8,260.91
  6. Step 6: Final answer
    x = 6,519.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.