Home / 7,559.60-11,330.28-3,860.72

Finding the Fourth Proportional to 7,559.60, 11,330.28 and 3,860.72

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Solution

The fourth proportional to 7,559.60, 11,330.28 and 3,860.72 is: 5,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.60 : 11,330.28 = 3,860.72 : x
  2. Step 2: Convert to fraction form
    7,559.60/11,330.28 = 3,860.72/x
  3. Step 3: Cross multiply
    7,559.60x = 11,330.28 × 3,860.72
  4. Step 4: Simplify right side
    7,559.60x = 43,743,038.60
  5. Step 5: Solve for x
    x = 43,743,038.60/7,559.60
  6. Step 6: Final answer
    x = 5,786.42

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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.