Home / 8,247.91-11,382.06-4,711.09

Finding the Fourth Proportional to 8,247.91, 11,382.06 and 4,711.09

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Solution

The fourth proportional to 8,247.91, 11,382.06 and 4,711.09 is: 6,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.91 : 11,382.06 = 4,711.09 : x
  2. Step 2: Convert to fraction form
    8,247.91/11,382.06 = 4,711.09/x
  3. Step 3: Cross multiply
    8,247.91x = 11,382.06 × 4,711.09
  4. Step 4: Simplify right side
    8,247.91x = 53,621,909.05
  5. Step 5: Solve for x
    x = 53,621,909.05/8,247.91
  6. Step 6: Final answer
    x = 6,501.27

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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.