Home / 4,688.97-7,027.58-1,914.12

Finding the Fourth Proportional to 4,688.97, 7,027.58 and 1,914.12

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Solution

The fourth proportional to 4,688.97, 7,027.58 and 1,914.12 is: 2,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.97 : 7,027.58 = 1,914.12 : x
  2. Step 2: Convert to fraction form
    4,688.97/7,027.58 = 1,914.12/x
  3. Step 3: Cross multiply
    4,688.97x = 7,027.58 × 1,914.12
  4. Step 4: Simplify right side
    4,688.97x = 13,451,621.86
  5. Step 5: Solve for x
    x = 13,451,621.86/4,688.97
  6. Step 6: Final answer
    x = 2,868.78

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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.