Home / 5,599.44-7,722.36-3,609.36

Finding the Fourth Proportional to 5,599.44, 7,722.36 and 3,609.36

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Solution

The fourth proportional to 5,599.44, 7,722.36 and 3,609.36 is: 4,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.44 : 7,722.36 = 3,609.36 : x
  2. Step 2: Convert to fraction form
    5,599.44/7,722.36 = 3,609.36/x
  3. Step 3: Cross multiply
    5,599.44x = 7,722.36 × 3,609.36
  4. Step 4: Simplify right side
    5,599.44x = 27,872,777.29
  5. Step 5: Solve for x
    x = 27,872,777.29/5,599.44
  6. Step 6: Final answer
    x = 4,977.78

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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.