Home / 7,722.08-11,584.64-2,528

Finding the Fourth Proportional to 7,722.08, 11,584.64 and 2,528

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Solution

The fourth proportional to 7,722.08, 11,584.64 and 2,528 is: 3,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.08 : 11,584.64 = 2,528 : x
  2. Step 2: Convert to fraction form
    7,722.08/11,584.64 = 2,528/x
  3. Step 3: Cross multiply
    7,722.08x = 11,584.64 × 2,528
  4. Step 4: Simplify right side
    7,722.08x = 29,285,969.92
  5. Step 5: Solve for x
    x = 29,285,969.92/7,722.08
  6. Step 6: Final answer
    x = 3,792.50

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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.