Home / 6,885.43-10,326.70-1,953.75

Finding the Fourth Proportional to 6,885.43, 10,326.70 and 1,953.75

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Solution

The fourth proportional to 6,885.43, 10,326.70 and 1,953.75 is: 2,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.43 : 10,326.70 = 1,953.75 : x
  2. Step 2: Convert to fraction form
    6,885.43/10,326.70 = 1,953.75/x
  3. Step 3: Cross multiply
    6,885.43x = 10,326.70 × 1,953.75
  4. Step 4: Simplify right side
    6,885.43x = 20,175,790.13
  5. Step 5: Solve for x
    x = 20,175,790.13/6,885.43
  6. Step 6: Final answer
    x = 2,930.21

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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.