Home / 6,899.29-10,349.21-2,219.49

Finding the Fourth Proportional to 6,899.29, 10,349.21 and 2,219.49

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Solution

The fourth proportional to 6,899.29, 10,349.21 and 2,219.49 is: 3,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.29 : 10,349.21 = 2,219.49 : x
  2. Step 2: Convert to fraction form
    6,899.29/10,349.21 = 2,219.49/x
  3. Step 3: Cross multiply
    6,899.29x = 10,349.21 × 2,219.49
  4. Step 4: Simplify right side
    6,899.29x = 22,969,973.65
  5. Step 5: Solve for x
    x = 22,969,973.65/6,899.29
  6. Step 6: Final answer
    x = 3,329.33

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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.