Home / 7,913.32-11,860.48-3,690.84

Finding the Fourth Proportional to 7,913.32, 11,860.48 and 3,690.84

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Solution

The fourth proportional to 7,913.32, 11,860.48 and 3,690.84 is: 5,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.32 : 11,860.48 = 3,690.84 : x
  2. Step 2: Convert to fraction form
    7,913.32/11,860.48 = 3,690.84/x
  3. Step 3: Cross multiply
    7,913.32x = 11,860.48 × 3,690.84
  4. Step 4: Simplify right side
    7,913.32x = 43,775,134.00
  5. Step 5: Solve for x
    x = 43,775,134.00/7,913.32
  6. Step 6: Final answer
    x = 5,531.83

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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.