Home / 4,612.55-6,931.78-2,738.71

Finding the Fourth Proportional to 4,612.55, 6,931.78 and 2,738.71

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Solution

The fourth proportional to 4,612.55, 6,931.78 and 2,738.71 is: 4,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.55 : 6,931.78 = 2,738.71 : x
  2. Step 2: Convert to fraction form
    4,612.55/6,931.78 = 2,738.71/x
  3. Step 3: Cross multiply
    4,612.55x = 6,931.78 × 2,738.71
  4. Step 4: Simplify right side
    4,612.55x = 18,984,137.02
  5. Step 5: Solve for x
    x = 18,984,137.02/4,612.55
  6. Step 6: Final answer
    x = 4,115.76

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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.