Home / 7,516.62-11,264.14-4,222.78

Finding the Fourth Proportional to 7,516.62, 11,264.14 and 4,222.78

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Solution

The fourth proportional to 7,516.62, 11,264.14 and 4,222.78 is: 6,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.62 : 11,264.14 = 4,222.78 : x
  2. Step 2: Convert to fraction form
    7,516.62/11,264.14 = 4,222.78/x
  3. Step 3: Cross multiply
    7,516.62x = 11,264.14 × 4,222.78
  4. Step 4: Simplify right side
    7,516.62x = 47,565,907.67
  5. Step 5: Solve for x
    x = 47,565,907.67/7,516.62
  6. Step 6: Final answer
    x = 6,328.10

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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.