Home / 4,820.71-7,231.32-1,358.23

Finding the Fourth Proportional to 4,820.71, 7,231.32 and 1,358.23

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Solution

The fourth proportional to 4,820.71, 7,231.32 and 1,358.23 is: 2,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.71 : 7,231.32 = 1,358.23 : x
  2. Step 2: Convert to fraction form
    4,820.71/7,231.32 = 1,358.23/x
  3. Step 3: Cross multiply
    4,820.71x = 7,231.32 × 1,358.23
  4. Step 4: Simplify right side
    4,820.71x = 9,821,788.97
  5. Step 5: Solve for x
    x = 9,821,788.97/4,820.71
  6. Step 6: Final answer
    x = 2,037.42

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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.