Home / 8,108.81-11,190.22-4,751.72

Finding the Fourth Proportional to 8,108.81, 11,190.22 and 4,751.72

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Solution

The fourth proportional to 8,108.81, 11,190.22 and 4,751.72 is: 6,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.81 : 11,190.22 = 4,751.72 : x
  2. Step 2: Convert to fraction form
    8,108.81/11,190.22 = 4,751.72/x
  3. Step 3: Cross multiply
    8,108.81x = 11,190.22 × 4,751.72
  4. Step 4: Simplify right side
    8,108.81x = 53,172,724.35
  5. Step 5: Solve for x
    x = 53,172,724.35/8,108.81
  6. Step 6: Final answer
    x = 6,557.41

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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.