Home / 4,640.46-6,949.56-2,686.74

Finding the Fourth Proportional to 4,640.46, 6,949.56 and 2,686.74

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Solution

The fourth proportional to 4,640.46, 6,949.56 and 2,686.74 is: 4,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.46 : 6,949.56 = 2,686.74 : x
  2. Step 2: Convert to fraction form
    4,640.46/6,949.56 = 2,686.74/x
  3. Step 3: Cross multiply
    4,640.46x = 6,949.56 × 2,686.74
  4. Step 4: Simplify right side
    4,640.46x = 18,671,660.83
  5. Step 5: Solve for x
    x = 18,671,660.83/4,640.46
  6. Step 6: Final answer
    x = 4,023.67

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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.