Home / 7,581.94-11,374.13-3,200.05

Finding the Fourth Proportional to 7,581.94, 11,374.13 and 3,200.05

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Solution

The fourth proportional to 7,581.94, 11,374.13 and 3,200.05 is: 4,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.94 : 11,374.13 = 3,200.05 : x
  2. Step 2: Convert to fraction form
    7,581.94/11,374.13 = 3,200.05/x
  3. Step 3: Cross multiply
    7,581.94x = 11,374.13 × 3,200.05
  4. Step 4: Simplify right side
    7,581.94x = 36,397,784.71
  5. Step 5: Solve for x
    x = 36,397,784.71/7,581.94
  6. Step 6: Final answer
    x = 4,800.59

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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.