Home / 6,886.43-10,330.03-1,955.68

Finding the Fourth Proportional to 6,886.43, 10,330.03 and 1,955.68

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Solution

The fourth proportional to 6,886.43, 10,330.03 and 1,955.68 is: 2,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.43 : 10,330.03 = 1,955.68 : x
  2. Step 2: Convert to fraction form
    6,886.43/10,330.03 = 1,955.68/x
  3. Step 3: Cross multiply
    6,886.43x = 10,330.03 × 1,955.68
  4. Step 4: Simplify right side
    6,886.43x = 20,202,209.69
  5. Step 5: Solve for x
    x = 20,202,209.69/6,886.43
  6. Step 6: Final answer
    x = 2,933.63

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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.