Home / 7,650.32-11,476.51-2,385.69

Finding the Fourth Proportional to 7,650.32, 11,476.51 and 2,385.69

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Solution

The fourth proportional to 7,650.32, 11,476.51 and 2,385.69 is: 3,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.32 : 11,476.51 = 2,385.69 : x
  2. Step 2: Convert to fraction form
    7,650.32/11,476.51 = 2,385.69/x
  3. Step 3: Cross multiply
    7,650.32x = 11,476.51 × 2,385.69
  4. Step 4: Simplify right side
    7,650.32x = 27,379,401.27
  5. Step 5: Solve for x
    x = 27,379,401.27/7,650.32
  6. Step 6: Final answer
    x = 3,578.86

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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.