Home / 6,120.70-9,181.40-1,737.82

Finding the Fourth Proportional to 6,120.70, 9,181.40 and 1,737.82

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Solution

The fourth proportional to 6,120.70, 9,181.40 and 1,737.82 is: 2,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.70 : 9,181.40 = 1,737.82 : x
  2. Step 2: Convert to fraction form
    6,120.70/9,181.40 = 1,737.82/x
  3. Step 3: Cross multiply
    6,120.70x = 9,181.40 × 1,737.82
  4. Step 4: Simplify right side
    6,120.70x = 15,955,620.55
  5. Step 5: Solve for x
    x = 15,955,620.55/6,120.70
  6. Step 6: Final answer
    x = 2,606.83

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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.