Home / 7,577.80-11,371.55-3,680.08

Finding the Fourth Proportional to 7,577.80, 11,371.55 and 3,680.08

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Solution

The fourth proportional to 7,577.80, 11,371.55 and 3,680.08 is: 5,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.80 : 11,371.55 = 3,680.08 : x
  2. Step 2: Convert to fraction form
    7,577.80/11,371.55 = 3,680.08/x
  3. Step 3: Cross multiply
    7,577.80x = 11,371.55 × 3,680.08
  4. Step 4: Simplify right side
    7,577.80x = 41,848,166.89
  5. Step 5: Solve for x
    x = 41,848,166.89/7,577.80
  6. Step 6: Final answer
    x = 5,522.47

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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.