Home / 6,665.74-9,197.94-3,681.40

Finding the Fourth Proportional to 6,665.74, 9,197.94 and 3,681.40

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Solution

The fourth proportional to 6,665.74, 9,197.94 and 3,681.40 is: 5,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.74 : 9,197.94 = 3,681.40 : x
  2. Step 2: Convert to fraction form
    6,665.74/9,197.94 = 3,681.40/x
  3. Step 3: Cross multiply
    6,665.74x = 9,197.94 × 3,681.40
  4. Step 4: Simplify right side
    6,665.74x = 33,861,309.11
  5. Step 5: Solve for x
    x = 33,861,309.11/6,665.74
  6. Step 6: Final answer
    x = 5,079.90

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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.