Home / 6,899.12-10,350.30-1,968.83

Finding the Fourth Proportional to 6,899.12, 10,350.30 and 1,968.83

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Solution

The fourth proportional to 6,899.12, 10,350.30 and 1,968.83 is: 2,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.12 : 10,350.30 = 1,968.83 : x
  2. Step 2: Convert to fraction form
    6,899.12/10,350.30 = 1,968.83/x
  3. Step 3: Cross multiply
    6,899.12x = 10,350.30 × 1,968.83
  4. Step 4: Simplify right side
    6,899.12x = 20,377,981.15
  5. Step 5: Solve for x
    x = 20,377,981.15/6,899.12
  6. Step 6: Final answer
    x = 2,953.71

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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.