Home / 7,320.82-10,979.07-2,704.18

Finding the Fourth Proportional to 7,320.82, 10,979.07 and 2,704.18

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Solution

The fourth proportional to 7,320.82, 10,979.07 and 2,704.18 is: 4,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.82 : 10,979.07 = 2,704.18 : x
  2. Step 2: Convert to fraction form
    7,320.82/10,979.07 = 2,704.18/x
  3. Step 3: Cross multiply
    7,320.82x = 10,979.07 × 2,704.18
  4. Step 4: Simplify right side
    7,320.82x = 29,689,381.51
  5. Step 5: Solve for x
    x = 29,689,381.51/7,320.82
  6. Step 6: Final answer
    x = 4,055.47

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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.