Home / 6,293.40-9,439.60-1,910.88

Finding the Fourth Proportional to 6,293.40, 9,439.60 and 1,910.88

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Solution

The fourth proportional to 6,293.40, 9,439.60 and 1,910.88 is: 2,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.40 : 9,439.60 = 1,910.88 : x
  2. Step 2: Convert to fraction form
    6,293.40/9,439.60 = 1,910.88/x
  3. Step 3: Cross multiply
    6,293.40x = 9,439.60 × 1,910.88
  4. Step 4: Simplify right side
    6,293.40x = 18,037,942.85
  5. Step 5: Solve for x
    x = 18,037,942.85/6,293.40
  6. Step 6: Final answer
    x = 2,866.17

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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.