Home / 6,887.78-10,332.36-2,206.62

Finding the Fourth Proportional to 6,887.78, 10,332.36 and 2,206.62

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Solution

The fourth proportional to 6,887.78, 10,332.36 and 2,206.62 is: 3,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.78 : 10,332.36 = 2,206.62 : x
  2. Step 2: Convert to fraction form
    6,887.78/10,332.36 = 2,206.62/x
  3. Step 3: Cross multiply
    6,887.78x = 10,332.36 × 2,206.62
  4. Step 4: Simplify right side
    6,887.78x = 22,799,592.22
  5. Step 5: Solve for x
    x = 22,799,592.22/6,887.78
  6. Step 6: Final answer
    x = 3,310.15

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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.