Home / 4,338.90-5,989.08-3,219.48

Finding the Fourth Proportional to 4,338.90, 5,989.08 and 3,219.48

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Solution

The fourth proportional to 4,338.90, 5,989.08 and 3,219.48 is: 4,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.90 : 5,989.08 = 3,219.48 : x
  2. Step 2: Convert to fraction form
    4,338.90/5,989.08 = 3,219.48/x
  3. Step 3: Cross multiply
    4,338.90x = 5,989.08 × 3,219.48
  4. Step 4: Simplify right side
    4,338.90x = 19,281,723.28
  5. Step 5: Solve for x
    x = 19,281,723.28/4,338.90
  6. Step 6: Final answer
    x = 4,443.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.