Home / 9,084.48-13,628.64-2,928

Finding the Fourth Proportional to 9,084.48, 13,628.64 and 2,928

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Solution

The fourth proportional to 9,084.48, 13,628.64 and 2,928 is: 4,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.48 : 13,628.64 = 2,928 : x
  2. Step 2: Convert to fraction form
    9,084.48/13,628.64 = 2,928/x
  3. Step 3: Cross multiply
    9,084.48x = 13,628.64 × 2,928
  4. Step 4: Simplify right side
    9,084.48x = 39,904,657.92
  5. Step 5: Solve for x
    x = 39,904,657.92/9,084.48
  6. Step 6: Final answer
    x = 4,392.62

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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.