Home / 5,731.08-7,908.73-3,213.30

Finding the Fourth Proportional to 5,731.08, 7,908.73 and 3,213.30

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Solution

The fourth proportional to 5,731.08, 7,908.73 and 3,213.30 is: 4,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.08 : 7,908.73 = 3,213.30 : x
  2. Step 2: Convert to fraction form
    5,731.08/7,908.73 = 3,213.30/x
  3. Step 3: Cross multiply
    5,731.08x = 7,908.73 × 3,213.30
  4. Step 4: Simplify right side
    5,731.08x = 25,413,122.11
  5. Step 5: Solve for x
    x = 25,413,122.11/5,731.08
  6. Step 6: Final answer
    x = 4,434.26

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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.