Home / 7,776.49-11,661.22-2,228.57

Finding the Fourth Proportional to 7,776.49, 11,661.22 and 2,228.57

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Solution

The fourth proportional to 7,776.49, 11,661.22 and 2,228.57 is: 3,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.49 : 11,661.22 = 2,228.57 : x
  2. Step 2: Convert to fraction form
    7,776.49/11,661.22 = 2,228.57/x
  3. Step 3: Cross multiply
    7,776.49x = 11,661.22 × 2,228.57
  4. Step 4: Simplify right side
    7,776.49x = 25,987,781.18
  5. Step 5: Solve for x
    x = 25,987,781.18/7,776.49
  6. Step 6: Final answer
    x = 3,341.84

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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.