Home / 7,718.26-11,572.21-3,552.63

Finding the Fourth Proportional to 7,718.26, 11,572.21 and 3,552.63

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Solution

The fourth proportional to 7,718.26, 11,572.21 and 3,552.63 is: 5,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.26 : 11,572.21 = 3,552.63 : x
  2. Step 2: Convert to fraction form
    7,718.26/11,572.21 = 3,552.63/x
  3. Step 3: Cross multiply
    7,718.26x = 11,572.21 × 3,552.63
  4. Step 4: Simplify right side
    7,718.26x = 41,111,780.41
  5. Step 5: Solve for x
    x = 41,111,780.41/7,718.26
  6. Step 6: Final answer
    x = 5,326.56

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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.