Home / 7,013.78-10,519.16-2,631.56

Finding the Fourth Proportional to 7,013.78, 10,519.16 and 2,631.56

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Solution

The fourth proportional to 7,013.78, 10,519.16 and 2,631.56 is: 3,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.78 : 10,519.16 = 2,631.56 : x
  2. Step 2: Convert to fraction form
    7,013.78/10,519.16 = 2,631.56/x
  3. Step 3: Cross multiply
    7,013.78x = 10,519.16 × 2,631.56
  4. Step 4: Simplify right side
    7,013.78x = 27,681,800.69
  5. Step 5: Solve for x
    x = 27,681,800.69/7,013.78
  6. Step 6: Final answer
    x = 3,946.77

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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.