Home / 4,152.87-6,229.71-1,813.59

Finding the Fourth Proportional to 4,152.87, 6,229.71 and 1,813.59

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Solution

The fourth proportional to 4,152.87, 6,229.71 and 1,813.59 is: 2,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.87 : 6,229.71 = 1,813.59 : x
  2. Step 2: Convert to fraction form
    4,152.87/6,229.71 = 1,813.59/x
  3. Step 3: Cross multiply
    4,152.87x = 6,229.71 × 1,813.59
  4. Step 4: Simplify right side
    4,152.87x = 11,298,139.76
  5. Step 5: Solve for x
    x = 11,298,139.76/4,152.87
  6. Step 6: Final answer
    x = 2,720.56

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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.