Home / 7,279.76-10,046.08-4,135.94

Finding the Fourth Proportional to 7,279.76, 10,046.08 and 4,135.94

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Solution

The fourth proportional to 7,279.76, 10,046.08 and 4,135.94 is: 5,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.76 : 10,046.08 = 4,135.94 : x
  2. Step 2: Convert to fraction form
    7,279.76/10,046.08 = 4,135.94/x
  3. Step 3: Cross multiply
    7,279.76x = 10,046.08 × 4,135.94
  4. Step 4: Simplify right side
    7,279.76x = 41,549,984.12
  5. Step 5: Solve for x
    x = 41,549,984.12/7,279.76
  6. Step 6: Final answer
    x = 5,707.60

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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.