Home / 7,279.74-10,046.16-4,135.98

Finding the Fourth Proportional to 7,279.74, 10,046.16 and 4,135.98

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Solution

The fourth proportional to 7,279.74, 10,046.16 and 4,135.98 is: 5,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.74 : 10,046.16 = 4,135.98 : x
  2. Step 2: Convert to fraction form
    7,279.74/10,046.16 = 4,135.98/x
  3. Step 3: Cross multiply
    7,279.74x = 10,046.16 × 4,135.98
  4. Step 4: Simplify right side
    7,279.74x = 41,550,716.84
  5. Step 5: Solve for x
    x = 41,550,716.84/7,279.74
  6. Step 6: Final answer
    x = 5,707.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.