Home / 6,887.32-10,331.66-2,206.16

Finding the Fourth Proportional to 6,887.32, 10,331.66 and 2,206.16

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Solution

The fourth proportional to 6,887.32, 10,331.66 and 2,206.16 is: 3,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.32 : 10,331.66 = 2,206.16 : x
  2. Step 2: Convert to fraction form
    6,887.32/10,331.66 = 2,206.16/x
  3. Step 3: Cross multiply
    6,887.32x = 10,331.66 × 2,206.16
  4. Step 4: Simplify right side
    6,887.32x = 22,793,295.03
  5. Step 5: Solve for x
    x = 22,793,295.03/6,887.32
  6. Step 6: Final answer
    x = 3,309.46

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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.