Home / 6,665.19-9,196.94-3,975.58

Finding the Fourth Proportional to 6,665.19, 9,196.94 and 3,975.58

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Solution

The fourth proportional to 6,665.19, 9,196.94 and 3,975.58 is: 5,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.19 : 9,196.94 = 3,975.58 : x
  2. Step 2: Convert to fraction form
    6,665.19/9,196.94 = 3,975.58/x
  3. Step 3: Cross multiply
    6,665.19x = 9,196.94 × 3,975.58
  4. Step 4: Simplify right side
    6,665.19x = 36,563,192.16
  5. Step 5: Solve for x
    x = 36,563,192.16/6,665.19
  6. Step 6: Final answer
    x = 5,485.70

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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.