Home / 5,789.30-7,989.22-3,271.28

Finding the Fourth Proportional to 5,789.30, 7,989.22 and 3,271.28

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Solution

The fourth proportional to 5,789.30, 7,989.22 and 3,271.28 is: 4,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.30 : 7,989.22 = 3,271.28 : x
  2. Step 2: Convert to fraction form
    5,789.30/7,989.22 = 3,271.28/x
  3. Step 3: Cross multiply
    5,789.30x = 7,989.22 × 3,271.28
  4. Step 4: Simplify right side
    5,789.30x = 26,134,987.40
  5. Step 5: Solve for x
    x = 26,134,987.40/5,789.30
  6. Step 6: Final answer
    x = 4,514.36

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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.