Home / 5,279.83-7,319.48-4,998.94

Finding the Fourth Proportional to 5,279.83, 7,319.48 and 4,998.94

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Solution

The fourth proportional to 5,279.83, 7,319.48 and 4,998.94 is: 6,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.83 : 7,319.48 = 4,998.94 : x
  2. Step 2: Convert to fraction form
    5,279.83/7,319.48 = 4,998.94/x
  3. Step 3: Cross multiply
    5,279.83x = 7,319.48 × 4,998.94
  4. Step 4: Simplify right side
    5,279.83x = 36,589,641.35
  5. Step 5: Solve for x
    x = 36,589,641.35/5,279.83
  6. Step 6: Final answer
    x = 6,930.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.