Home / 6,665.37-9,197.87-3,681.15

Finding the Fourth Proportional to 6,665.37, 9,197.87 and 3,681.15

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Solution

The fourth proportional to 6,665.37, 9,197.87 and 3,681.15 is: 5,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.37 : 9,197.87 = 3,681.15 : x
  2. Step 2: Convert to fraction form
    6,665.37/9,197.87 = 3,681.15/x
  3. Step 3: Cross multiply
    6,665.37x = 9,197.87 × 3,681.15
  4. Step 4: Simplify right side
    6,665.37x = 33,858,720.74
  5. Step 5: Solve for x
    x = 33,858,720.74/6,665.37
  6. Step 6: Final answer
    x = 5,079.80

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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.