Home / 6,881.05-10,319.55-1,951.12

Finding the Fourth Proportional to 6,881.05, 10,319.55 and 1,951.12

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Solution

The fourth proportional to 6,881.05, 10,319.55 and 1,951.12 is: 2,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.05 : 10,319.55 = 1,951.12 : x
  2. Step 2: Convert to fraction form
    6,881.05/10,319.55 = 1,951.12/x
  3. Step 3: Cross multiply
    6,881.05x = 10,319.55 × 1,951.12
  4. Step 4: Simplify right side
    6,881.05x = 20,134,680.40
  5. Step 5: Solve for x
    x = 20,134,680.40/6,881.05
  6. Step 6: Final answer
    x = 2,926.11

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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.