Home / 7,529.41-11,279.53-3,636.55

Finding the Fourth Proportional to 7,529.41, 11,279.53 and 3,636.55

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Solution

The fourth proportional to 7,529.41, 11,279.53 and 3,636.55 is: 5,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.41 : 11,279.53 = 3,636.55 : x
  2. Step 2: Convert to fraction form
    7,529.41/11,279.53 = 3,636.55/x
  3. Step 3: Cross multiply
    7,529.41x = 11,279.53 × 3,636.55
  4. Step 4: Simplify right side
    7,529.41x = 41,018,574.82
  5. Step 5: Solve for x
    x = 41,018,574.82/7,529.41
  6. Step 6: Final answer
    x = 5,447.78

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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.