Home / 6,885.12-10,326.23-1,953.43

Finding the Fourth Proportional to 6,885.12, 10,326.23 and 1,953.43

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Solution

The fourth proportional to 6,885.12, 10,326.23 and 1,953.43 is: 2,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.12 : 10,326.23 = 1,953.43 : x
  2. Step 2: Convert to fraction form
    6,885.12/10,326.23 = 1,953.43/x
  3. Step 3: Cross multiply
    6,885.12x = 10,326.23 × 1,953.43
  4. Step 4: Simplify right side
    6,885.12x = 20,171,608.28
  5. Step 5: Solve for x
    x = 20,171,608.28/6,885.12
  6. Step 6: Final answer
    x = 2,929.74

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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.