Home / 7,584.35-11,376.54-4,143.47

Finding the Fourth Proportional to 7,584.35, 11,376.54 and 4,143.47

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Solution

The fourth proportional to 7,584.35, 11,376.54 and 4,143.47 is: 6,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.35 : 11,376.54 = 4,143.47 : x
  2. Step 2: Convert to fraction form
    7,584.35/11,376.54 = 4,143.47/x
  3. Step 3: Cross multiply
    7,584.35x = 11,376.54 × 4,143.47
  4. Step 4: Simplify right side
    7,584.35x = 47,138,295.31
  5. Step 5: Solve for x
    x = 47,138,295.31/7,584.35
  6. Step 6: Final answer
    x = 6,215.21

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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.