Home / 4,622.86-6,381.66-2,946.56

Finding the Fourth Proportional to 4,622.86, 6,381.66 and 2,946.56

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Solution

The fourth proportional to 4,622.86, 6,381.66 and 2,946.56 is: 4,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.86 : 6,381.66 = 2,946.56 : x
  2. Step 2: Convert to fraction form
    4,622.86/6,381.66 = 2,946.56/x
  3. Step 3: Cross multiply
    4,622.86x = 6,381.66 × 2,946.56
  4. Step 4: Simplify right side
    4,622.86x = 18,803,944.09
  5. Step 5: Solve for x
    x = 18,803,944.09/4,622.86
  6. Step 6: Final answer
    x = 4,067.60

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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.