Home / 5,010.78-7,523.81-4,240.87

Finding the Fourth Proportional to 5,010.78, 7,523.81 and 4,240.87

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Solution

The fourth proportional to 5,010.78, 7,523.81 and 4,240.87 is: 6,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.78 : 7,523.81 = 4,240.87 : x
  2. Step 2: Convert to fraction form
    5,010.78/7,523.81 = 4,240.87/x
  3. Step 3: Cross multiply
    5,010.78x = 7,523.81 × 4,240.87
  4. Step 4: Simplify right side
    5,010.78x = 31,907,500.11
  5. Step 5: Solve for x
    x = 31,907,500.11/5,010.78
  6. Step 6: Final answer
    x = 6,367.77

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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.