Home / 4,688.50-6,469.92-2,697.70

Finding the Fourth Proportional to 4,688.50, 6,469.92 and 2,697.70

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Solution

The fourth proportional to 4,688.50, 6,469.92 and 2,697.70 is: 3,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.50 : 6,469.92 = 2,697.70 : x
  2. Step 2: Convert to fraction form
    4,688.50/6,469.92 = 2,697.70/x
  3. Step 3: Cross multiply
    4,688.50x = 6,469.92 × 2,697.70
  4. Step 4: Simplify right side
    4,688.50x = 17,453,903.18
  5. Step 5: Solve for x
    x = 17,453,903.18/4,688.50
  6. Step 6: Final answer
    x = 3,722.71

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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.