Home / 8,108.91-11,187.72-4,750.65

Finding the Fourth Proportional to 8,108.91, 11,187.72 and 4,750.65

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Solution

The fourth proportional to 8,108.91, 11,187.72 and 4,750.65 is: 6,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.91 : 11,187.72 = 4,750.65 : x
  2. Step 2: Convert to fraction form
    8,108.91/11,187.72 = 4,750.65/x
  3. Step 3: Cross multiply
    8,108.91x = 11,187.72 × 4,750.65
  4. Step 4: Simplify right side
    8,108.91x = 53,148,942.02
  5. Step 5: Solve for x
    x = 53,148,942.02/8,108.91
  6. Step 6: Final answer
    x = 6,554.39

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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.