Home / 5,014.85-7,514.64-3,970.49

Finding the Fourth Proportional to 5,014.85, 7,514.64 and 3,970.49

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Solution

The fourth proportional to 5,014.85, 7,514.64 and 3,970.49 is: 5,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.85 : 7,514.64 = 3,970.49 : x
  2. Step 2: Convert to fraction form
    5,014.85/7,514.64 = 3,970.49/x
  3. Step 3: Cross multiply
    5,014.85x = 7,514.64 × 3,970.49
  4. Step 4: Simplify right side
    5,014.85x = 29,836,765.40
  5. Step 5: Solve for x
    x = 29,836,765.40/5,014.85
  6. Step 6: Final answer
    x = 5,949.69

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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.