Home / 6,690.71-10,022.44-3,170.05

Finding the Fourth Proportional to 6,690.71, 10,022.44 and 3,170.05

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Solution

The fourth proportional to 6,690.71, 10,022.44 and 3,170.05 is: 4,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.71 : 10,022.44 = 3,170.05 : x
  2. Step 2: Convert to fraction form
    6,690.71/10,022.44 = 3,170.05/x
  3. Step 3: Cross multiply
    6,690.71x = 10,022.44 × 3,170.05
  4. Step 4: Simplify right side
    6,690.71x = 31,771,635.92
  5. Step 5: Solve for x
    x = 31,771,635.92/6,690.71
  6. Step 6: Final answer
    x = 4,748.62

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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.