Home / 6,899.22-10,348.65-2,219.55

Finding the Fourth Proportional to 6,899.22, 10,348.65 and 2,219.55

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Solution

The fourth proportional to 6,899.22, 10,348.65 and 2,219.55 is: 3,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.22 : 10,348.65 = 2,219.55 : x
  2. Step 2: Convert to fraction form
    6,899.22/10,348.65 = 2,219.55/x
  3. Step 3: Cross multiply
    6,899.22x = 10,348.65 × 2,219.55
  4. Step 4: Simplify right side
    6,899.22x = 22,969,346.11
  5. Step 5: Solve for x
    x = 22,969,346.11/6,899.22
  6. Step 6: Final answer
    x = 3,329.27

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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.