Home / 7,013.62-10,518.58-2,081.94

Finding the Fourth Proportional to 7,013.62, 10,518.58 and 2,081.94

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Solution

The fourth proportional to 7,013.62, 10,518.58 and 2,081.94 is: 3,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.62 : 10,518.58 = 2,081.94 : x
  2. Step 2: Convert to fraction form
    7,013.62/10,518.58 = 2,081.94/x
  3. Step 3: Cross multiply
    7,013.62x = 10,518.58 × 2,081.94
  4. Step 4: Simplify right side
    7,013.62x = 21,899,052.45
  5. Step 5: Solve for x
    x = 21,899,052.45/7,013.62
  6. Step 6: Final answer
    x = 3,122.36

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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.