Home / 7,767.09-11,650.94-3,384.59

Finding the Fourth Proportional to 7,767.09, 11,650.94 and 3,384.59

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Solution

The fourth proportional to 7,767.09, 11,650.94 and 3,384.59 is: 5,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.09 : 11,650.94 = 3,384.59 : x
  2. Step 2: Convert to fraction form
    7,767.09/11,650.94 = 3,384.59/x
  3. Step 3: Cross multiply
    7,767.09x = 11,650.94 × 3,384.59
  4. Step 4: Simplify right side
    7,767.09x = 39,433,592.53
  5. Step 5: Solve for x
    x = 39,433,592.53/7,767.09
  6. Step 6: Final answer
    x = 5,077.01

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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.