Home / 4,113.70-6,171.69-1,192.30

Finding the Fourth Proportional to 4,113.70, 6,171.69 and 1,192.30

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Solution

The fourth proportional to 4,113.70, 6,171.69 and 1,192.30 is: 1,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.70 : 6,171.69 = 1,192.30 : x
  2. Step 2: Convert to fraction form
    4,113.70/6,171.69 = 1,192.30/x
  3. Step 3: Cross multiply
    4,113.70x = 6,171.69 × 1,192.30
  4. Step 4: Simplify right side
    4,113.70x = 7,358,505.99
  5. Step 5: Solve for x
    x = 7,358,505.99/4,113.70
  6. Step 6: Final answer
    x = 1,788.78

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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.