Home / 8,311.08-11,469.32-4,534.28

Finding the Fourth Proportional to 8,311.08, 11,469.32 and 4,534.28

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Solution

The fourth proportional to 8,311.08, 11,469.32 and 4,534.28 is: 6,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.08 : 11,469.32 = 4,534.28 : x
  2. Step 2: Convert to fraction form
    8,311.08/11,469.32 = 4,534.28/x
  3. Step 3: Cross multiply
    8,311.08x = 11,469.32 × 4,534.28
  4. Step 4: Simplify right side
    8,311.08x = 52,005,108.29
  5. Step 5: Solve for x
    x = 52,005,108.29/8,311.08
  6. Step 6: Final answer
    x = 6,257.32

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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.