Home / 5,137.32-7,706.42-1,805.28

Finding the Fourth Proportional to 5,137.32, 7,706.42 and 1,805.28

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Solution

The fourth proportional to 5,137.32, 7,706.42 and 1,805.28 is: 2,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.32 : 7,706.42 = 1,805.28 : x
  2. Step 2: Convert to fraction form
    5,137.32/7,706.42 = 1,805.28/x
  3. Step 3: Cross multiply
    5,137.32x = 7,706.42 × 1,805.28
  4. Step 4: Simplify right side
    5,137.32x = 13,912,282.69
  5. Step 5: Solve for x
    x = 13,912,282.69/5,137.32
  6. Step 6: Final answer
    x = 2,708.08

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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.