Home / 6,731.12-9,284.81-4,340.21

Finding the Fourth Proportional to 6,731.12, 9,284.81 and 4,340.21

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Solution

The fourth proportional to 6,731.12, 9,284.81 and 4,340.21 is: 5,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.12 : 9,284.81 = 4,340.21 : x
  2. Step 2: Convert to fraction form
    6,731.12/9,284.81 = 4,340.21/x
  3. Step 3: Cross multiply
    6,731.12x = 9,284.81 × 4,340.21
  4. Step 4: Simplify right side
    6,731.12x = 40,297,957.09
  5. Step 5: Solve for x
    x = 40,297,957.09/6,731.12
  6. Step 6: Final answer
    x = 5,986.82

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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.