Home / 6,866.51-10,299.32-2,189.88

Finding the Fourth Proportional to 6,866.51, 10,299.32 and 2,189.88

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Solution

The fourth proportional to 6,866.51, 10,299.32 and 2,189.88 is: 3,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.51 : 10,299.32 = 2,189.88 : x
  2. Step 2: Convert to fraction form
    6,866.51/10,299.32 = 2,189.88/x
  3. Step 3: Cross multiply
    6,866.51x = 10,299.32 × 2,189.88
  4. Step 4: Simplify right side
    6,866.51x = 22,554,263.93
  5. Step 5: Solve for x
    x = 22,554,263.93/6,866.51
  6. Step 6: Final answer
    x = 3,284.68

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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.