Home / 6,966.05-9,608.60-4,131.30

Finding the Fourth Proportional to 6,966.05, 9,608.60 and 4,131.30

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Solution

The fourth proportional to 6,966.05, 9,608.60 and 4,131.30 is: 5,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.05 : 9,608.60 = 4,131.30 : x
  2. Step 2: Convert to fraction form
    6,966.05/9,608.60 = 4,131.30/x
  3. Step 3: Cross multiply
    6,966.05x = 9,608.60 × 4,131.30
  4. Step 4: Simplify right side
    6,966.05x = 39,696,043.92
  5. Step 5: Solve for x
    x = 39,696,043.92/6,966.05
  6. Step 6: Final answer
    x = 5,698.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.