Home / 6,717.76-9,269.68-4,066.40

Finding the Fourth Proportional to 6,717.76, 9,269.68 and 4,066.40

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Solution

The fourth proportional to 6,717.76, 9,269.68 and 4,066.40 is: 5,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.76 : 9,269.68 = 4,066.40 : x
  2. Step 2: Convert to fraction form
    6,717.76/9,269.68 = 4,066.40/x
  3. Step 3: Cross multiply
    6,717.76x = 9,269.68 × 4,066.40
  4. Step 4: Simplify right side
    6,717.76x = 37,694,226.75
  5. Step 5: Solve for x
    x = 37,694,226.75/6,717.76
  6. Step 6: Final answer
    x = 5,611.13

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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.