Home / 7,607.06-11,414.61-5,400.15

Finding the Fourth Proportional to 7,607.06, 11,414.61 and 5,400.15

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Solution

The fourth proportional to 7,607.06, 11,414.61 and 5,400.15 is: 8,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.06 : 11,414.61 = 5,400.15 : x
  2. Step 2: Convert to fraction form
    7,607.06/11,414.61 = 5,400.15/x
  3. Step 3: Cross multiply
    7,607.06x = 11,414.61 × 5,400.15
  4. Step 4: Simplify right side
    7,607.06x = 61,640,563.39
  5. Step 5: Solve for x
    x = 61,640,563.39/7,607.06
  6. Step 6: Final answer
    x = 8,103.07

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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.