Home / 5,853.66-8,078.30-3,200.91

Finding the Fourth Proportional to 5,853.66, 8,078.30 and 3,200.91

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Solution

The fourth proportional to 5,853.66, 8,078.30 and 3,200.91 is: 4,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.66 : 8,078.30 = 3,200.91 : x
  2. Step 2: Convert to fraction form
    5,853.66/8,078.30 = 3,200.91/x
  3. Step 3: Cross multiply
    5,853.66x = 8,078.30 × 3,200.91
  4. Step 4: Simplify right side
    5,853.66x = 25,857,911.25
  5. Step 5: Solve for x
    x = 25,857,911.25/5,853.66
  6. Step 6: Final answer
    x = 4,417.39

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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.