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Finding the Fourth Proportional to 6,074.07, 9,111.11 and 4,379.15

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Solution

The fourth proportional to 6,074.07, 9,111.11 and 4,379.15 is: 6,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.07 : 9,111.11 = 4,379.15 : x
  2. Step 2: Convert to fraction form
    6,074.07/9,111.11 = 4,379.15/x
  3. Step 3: Cross multiply
    6,074.07x = 9,111.11 × 4,379.15
  4. Step 4: Simplify right side
    6,074.07x = 39,898,849.91
  5. Step 5: Solve for x
    x = 39,898,849.91/6,074.07
  6. Step 6: Final answer
    x = 6,568.72

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.