Home / 6,899.91-10,346.68-2,219.05

Finding the Fourth Proportional to 6,899.91, 10,346.68 and 2,219.05

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Solution

The fourth proportional to 6,899.91, 10,346.68 and 2,219.05 is: 3,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.91 : 10,346.68 = 2,219.05 : x
  2. Step 2: Convert to fraction form
    6,899.91/10,346.68 = 2,219.05/x
  3. Step 3: Cross multiply
    6,899.91x = 10,346.68 × 2,219.05
  4. Step 4: Simplify right side
    6,899.91x = 22,959,800.25
  5. Step 5: Solve for x
    x = 22,959,800.25/6,899.91
  6. Step 6: Final answer
    x = 3,327.55

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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.