Home / 5,247.82-7,871.72-3,599.36

Finding the Fourth Proportional to 5,247.82, 7,871.72 and 3,599.36

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Solution

The fourth proportional to 5,247.82, 7,871.72 and 3,599.36 is: 5,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.82 : 7,871.72 = 3,599.36 : x
  2. Step 2: Convert to fraction form
    5,247.82/7,871.72 = 3,599.36/x
  3. Step 3: Cross multiply
    5,247.82x = 7,871.72 × 3,599.36
  4. Step 4: Simplify right side
    5,247.82x = 28,333,155.78
  5. Step 5: Solve for x
    x = 28,333,155.78/5,247.82
  6. Step 6: Final answer
    x = 5,399.04

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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.