Home / 6,886.43-10,328.45-1,954.92

Finding the Fourth Proportional to 6,886.43, 10,328.45 and 1,954.92

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Solution

The fourth proportional to 6,886.43, 10,328.45 and 1,954.92 is: 2,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.43 : 10,328.45 = 1,954.92 : x
  2. Step 2: Convert to fraction form
    6,886.43/10,328.45 = 1,954.92/x
  3. Step 3: Cross multiply
    6,886.43x = 10,328.45 × 1,954.92
  4. Step 4: Simplify right side
    6,886.43x = 20,191,250.79
  5. Step 5: Solve for x
    x = 20,191,250.79/6,886.43
  6. Step 6: Final answer
    x = 2,932.03

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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.