Home / 4,679.50-7,009.26-3,031.15

Finding the Fourth Proportional to 4,679.50, 7,009.26 and 3,031.15

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Solution

The fourth proportional to 4,679.50, 7,009.26 and 3,031.15 is: 4,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.50 : 7,009.26 = 3,031.15 : x
  2. Step 2: Convert to fraction form
    4,679.50/7,009.26 = 3,031.15/x
  3. Step 3: Cross multiply
    4,679.50x = 7,009.26 × 3,031.15
  4. Step 4: Simplify right side
    4,679.50x = 21,246,118.45
  5. Step 5: Solve for x
    x = 21,246,118.45/4,679.50
  6. Step 6: Final answer
    x = 4,540.25

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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.