Home / 4,290.26-6,468.52-3,434.90

Finding the Fourth Proportional to 4,290.26, 6,468.52 and 3,434.90

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Solution

The fourth proportional to 4,290.26, 6,468.52 and 3,434.90 is: 5,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.26 : 6,468.52 = 3,434.90 : x
  2. Step 2: Convert to fraction form
    4,290.26/6,468.52 = 3,434.90/x
  3. Step 3: Cross multiply
    4,290.26x = 6,468.52 × 3,434.90
  4. Step 4: Simplify right side
    4,290.26x = 22,218,702.17
  5. Step 5: Solve for x
    x = 22,218,702.17/4,290.26
  6. Step 6: Final answer
    x = 5,178.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.