Home / 7,264.38-10,891.88-3,107.10

Finding the Fourth Proportional to 7,264.38, 10,891.88 and 3,107.10

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Solution

The fourth proportional to 7,264.38, 10,891.88 and 3,107.10 is: 4,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,264.38 : 10,891.88 = 3,107.10 : x
  2. Step 2: Convert to fraction form
    7,264.38/10,891.88 = 3,107.10/x
  3. Step 3: Cross multiply
    7,264.38x = 10,891.88 × 3,107.10
  4. Step 4: Simplify right side
    7,264.38x = 33,842,160.35
  5. Step 5: Solve for x
    x = 33,842,160.35/7,264.38
  6. Step 6: Final answer
    x = 4,658.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.