Home / 7,772.82-10,726.22-4,235.96

Finding the Fourth Proportional to 7,772.82, 10,726.22 and 4,235.96

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Solution

The fourth proportional to 7,772.82, 10,726.22 and 4,235.96 is: 5,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.82 : 10,726.22 = 4,235.96 : x
  2. Step 2: Convert to fraction form
    7,772.82/10,726.22 = 4,235.96/x
  3. Step 3: Cross multiply
    7,772.82x = 10,726.22 × 4,235.96
  4. Step 4: Simplify right side
    7,772.82x = 45,435,838.87
  5. Step 5: Solve for x
    x = 45,435,838.87/7,772.82
  6. Step 6: Final answer
    x = 5,845.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.