Home / 4,578.60-6,867.90-3,100.20

Finding the Fourth Proportional to 4,578.60, 6,867.90 and 3,100.20

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Solution

The fourth proportional to 4,578.60, 6,867.90 and 3,100.20 is: 4,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.60 : 6,867.90 = 3,100.20 : x
  2. Step 2: Convert to fraction form
    4,578.60/6,867.90 = 3,100.20/x
  3. Step 3: Cross multiply
    4,578.60x = 6,867.90 × 3,100.20
  4. Step 4: Simplify right side
    4,578.60x = 21,291,863.58
  5. Step 5: Solve for x
    x = 21,291,863.58/4,578.60
  6. Step 6: Final answer
    x = 4,650.30

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Similar ratio
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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.