Home / 5,279.52-7,291.86-3,508.08

Finding the Fourth Proportional to 5,279.52, 7,291.86 and 3,508.08

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Solution

The fourth proportional to 5,279.52, 7,291.86 and 3,508.08 is: 4,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.52 : 7,291.86 = 3,508.08 : x
  2. Step 2: Convert to fraction form
    5,279.52/7,291.86 = 3,508.08/x
  3. Step 3: Cross multiply
    5,279.52x = 7,291.86 × 3,508.08
  4. Step 4: Simplify right side
    5,279.52x = 25,580,428.23
  5. Step 5: Solve for x
    x = 25,580,428.23/5,279.52
  6. Step 6: Final answer
    x = 4,845.22

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1.5x scale

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.