Home / 7,068.53-9,754.68-3,882.13

Finding the Fourth Proportional to 7,068.53, 9,754.68 and 3,882.13

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Solution

The fourth proportional to 7,068.53, 9,754.68 and 3,882.13 is: 5,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.53 : 9,754.68 = 3,882.13 : x
  2. Step 2: Convert to fraction form
    7,068.53/9,754.68 = 3,882.13/x
  3. Step 3: Cross multiply
    7,068.53x = 9,754.68 × 3,882.13
  4. Step 4: Simplify right side
    7,068.53x = 37,868,935.87
  5. Step 5: Solve for x
    x = 37,868,935.87/7,068.53
  6. Step 6: Final answer
    x = 5,357.40

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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.