Home / 6,665.18-9,197.89-3,681.21

Finding the Fourth Proportional to 6,665.18, 9,197.89 and 3,681.21

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Solution

The fourth proportional to 6,665.18, 9,197.89 and 3,681.21 is: 5,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.18 : 9,197.89 = 3,681.21 : x
  2. Step 2: Convert to fraction form
    6,665.18/9,197.89 = 3,681.21/x
  3. Step 3: Cross multiply
    6,665.18x = 9,197.89 × 3,681.21
  4. Step 4: Simplify right side
    6,665.18x = 33,859,389.94
  5. Step 5: Solve for x
    x = 33,859,389.94/6,665.18
  6. Step 6: Final answer
    x = 5,080.05

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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.