Home / 7,688.26-11,529.80-3,007.04

Finding the Fourth Proportional to 7,688.26, 11,529.80 and 3,007.04

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Solution

The fourth proportional to 7,688.26, 11,529.80 and 3,007.04 is: 4,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.26 : 11,529.80 = 3,007.04 : x
  2. Step 2: Convert to fraction form
    7,688.26/11,529.80 = 3,007.04/x
  3. Step 3: Cross multiply
    7,688.26x = 11,529.80 × 3,007.04
  4. Step 4: Simplify right side
    7,688.26x = 34,670,569.79
  5. Step 5: Solve for x
    x = 34,670,569.79/7,688.26
  6. Step 6: Final answer
    x = 4,509.55

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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.