Home / 6,120.70-9,180.85-1,738.15

Finding the Fourth Proportional to 6,120.70, 9,180.85 and 1,738.15

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Solution

The fourth proportional to 6,120.70, 9,180.85 and 1,738.15 is: 2,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.70 : 9,180.85 = 1,738.15 : x
  2. Step 2: Convert to fraction form
    6,120.70/9,180.85 = 1,738.15/x
  3. Step 3: Cross multiply
    6,120.70x = 9,180.85 × 1,738.15
  4. Step 4: Simplify right side
    6,120.70x = 15,957,718.17
  5. Step 5: Solve for x
    x = 15,957,718.17/6,120.70
  6. Step 6: Final answer
    x = 2,607.17

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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.