Home / 7,763.09-11,639.61-3,323.65

Finding the Fourth Proportional to 7,763.09, 11,639.61 and 3,323.65

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Solution

The fourth proportional to 7,763.09, 11,639.61 and 3,323.65 is: 4,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.09 : 11,639.61 = 3,323.65 : x
  2. Step 2: Convert to fraction form
    7,763.09/11,639.61 = 3,323.65/x
  3. Step 3: Cross multiply
    7,763.09x = 11,639.61 × 3,323.65
  4. Step 4: Simplify right side
    7,763.09x = 38,685,989.78
  5. Step 5: Solve for x
    x = 38,685,989.78/7,763.09
  6. Step 6: Final answer
    x = 4,983.32

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1.5x scale

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.