Home / 5,439.33-7,509.83-3,577.41

Finding the Fourth Proportional to 5,439.33, 7,509.83 and 3,577.41

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Solution

The fourth proportional to 5,439.33, 7,509.83 and 3,577.41 is: 4,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.33 : 7,509.83 = 3,577.41 : x
  2. Step 2: Convert to fraction form
    5,439.33/7,509.83 = 3,577.41/x
  3. Step 3: Cross multiply
    5,439.33x = 7,509.83 × 3,577.41
  4. Step 4: Simplify right side
    5,439.33x = 26,865,723.05
  5. Step 5: Solve for x
    x = 26,865,723.05/5,439.33
  6. Step 6: Final answer
    x = 4,939.16

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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.