Home / 4,512.86-6,230.66-2,920.30

Finding the Fourth Proportional to 4,512.86, 6,230.66 and 2,920.30

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Solution

The fourth proportional to 4,512.86, 6,230.66 and 2,920.30 is: 4,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.86 : 6,230.66 = 2,920.30 : x
  2. Step 2: Convert to fraction form
    4,512.86/6,230.66 = 2,920.30/x
  3. Step 3: Cross multiply
    4,512.86x = 6,230.66 × 2,920.30
  4. Step 4: Simplify right side
    4,512.86x = 18,195,401.27
  5. Step 5: Solve for x
    x = 18,195,401.27/4,512.86
  6. Step 6: Final answer
    x = 4,031.90

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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.