Home / 6,578.39-9,861.16-2,628.47

Finding the Fourth Proportional to 6,578.39, 9,861.16 and 2,628.47

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Solution

The fourth proportional to 6,578.39, 9,861.16 and 2,628.47 is: 3,940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578.39 : 9,861.16 = 2,628.47 : x
  2. Step 2: Convert to fraction form
    6,578.39/9,861.16 = 2,628.47/x
  3. Step 3: Cross multiply
    6,578.39x = 9,861.16 × 2,628.47
  4. Step 4: Simplify right side
    6,578.39x = 25,919,763.23
  5. Step 5: Solve for x
    x = 25,919,763.23/6,578.39
  6. Step 6: Final answer
    x = 3,940.14

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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.