Home / 4,711.36-7,067.28-1,788.64

Finding the Fourth Proportional to 4,711.36, 7,067.28 and 1,788.64

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Solution

The fourth proportional to 4,711.36, 7,067.28 and 1,788.64 is: 2,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.36 : 7,067.28 = 1,788.64 : x
  2. Step 2: Convert to fraction form
    4,711.36/7,067.28 = 1,788.64/x
  3. Step 3: Cross multiply
    4,711.36x = 7,067.28 × 1,788.64
  4. Step 4: Simplify right side
    4,711.36x = 12,640,819.70
  5. Step 5: Solve for x
    x = 12,640,819.70/4,711.36
  6. Step 6: Final answer
    x = 2,683.05

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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.