Home / 7,012.78-10,516.89-2,331.53

Finding the Fourth Proportional to 7,012.78, 10,516.89 and 2,331.53

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Solution

The fourth proportional to 7,012.78, 10,516.89 and 2,331.53 is: 3,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.78 : 10,516.89 = 2,331.53 : x
  2. Step 2: Convert to fraction form
    7,012.78/10,516.89 = 2,331.53/x
  3. Step 3: Cross multiply
    7,012.78x = 10,516.89 × 2,331.53
  4. Step 4: Simplify right side
    7,012.78x = 24,520,444.54
  5. Step 5: Solve for x
    x = 24,520,444.54/7,012.78
  6. Step 6: Final answer
    x = 3,496.54

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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.