Home / 6,716.72-9,269.70-4,064.78

Finding the Fourth Proportional to 6,716.72, 9,269.70 and 4,064.78

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Solution

The fourth proportional to 6,716.72, 9,269.70 and 4,064.78 is: 5,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,716.72 : 9,269.70 = 4,064.78 : x
  2. Step 2: Convert to fraction form
    6,716.72/9,269.70 = 4,064.78/x
  3. Step 3: Cross multiply
    6,716.72x = 9,269.70 × 4,064.78
  4. Step 4: Simplify right side
    6,716.72x = 37,679,291.17
  5. Step 5: Solve for x
    x = 37,679,291.17/6,716.72
  6. Step 6: Final answer
    x = 5,609.78

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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.