Home / 5,278.52-7,290.48-3,507.08

Finding the Fourth Proportional to 5,278.52, 7,290.48 and 3,507.08

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Solution

The fourth proportional to 5,278.52, 7,290.48 and 3,507.08 is: 4,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.52 : 7,290.48 = 3,507.08 : x
  2. Step 2: Convert to fraction form
    5,278.52/7,290.48 = 3,507.08/x
  3. Step 3: Cross multiply
    5,278.52x = 7,290.48 × 3,507.08
  4. Step 4: Simplify right side
    5,278.52x = 25,568,296.60
  5. Step 5: Solve for x
    x = 25,568,296.60/5,278.52
  6. Step 6: Final answer
    x = 4,843.84

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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.