Home / 4,290.52-6,419.26-3,979.48

Finding the Fourth Proportional to 4,290.52, 6,419.26 and 3,979.48

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Solution

The fourth proportional to 4,290.52, 6,419.26 and 3,979.48 is: 5,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.52 : 6,419.26 = 3,979.48 : x
  2. Step 2: Convert to fraction form
    4,290.52/6,419.26 = 3,979.48/x
  3. Step 3: Cross multiply
    4,290.52x = 6,419.26 × 3,979.48
  4. Step 4: Simplify right side
    4,290.52x = 25,545,316.78
  5. Step 5: Solve for x
    x = 25,545,316.78/4,290.52
  6. Step 6: Final answer
    x = 5,953.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.