Home / 6,665.12-9,197.84-3,681.28

Finding the Fourth Proportional to 6,665.12, 9,197.84 and 3,681.28

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Solution

The fourth proportional to 6,665.12, 9,197.84 and 3,681.28 is: 5,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.12 : 9,197.84 = 3,681.28 : x
  2. Step 2: Convert to fraction form
    6,665.12/9,197.84 = 3,681.28/x
  3. Step 3: Cross multiply
    6,665.12x = 9,197.84 × 3,681.28
  4. Step 4: Simplify right side
    6,665.12x = 33,859,760.04
  5. Step 5: Solve for x
    x = 33,859,760.04/6,665.12
  6. Step 6: Final answer
    x = 5,080.15

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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.