Home / 4,122.80-6,154.25-3,818.24

Finding the Fourth Proportional to 4,122.80, 6,154.25 and 3,818.24

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Solution

The fourth proportional to 4,122.80, 6,154.25 and 3,818.24 is: 5,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.80 : 6,154.25 = 3,818.24 : x
  2. Step 2: Convert to fraction form
    4,122.80/6,154.25 = 3,818.24/x
  3. Step 3: Cross multiply
    4,122.80x = 6,154.25 × 3,818.24
  4. Step 4: Simplify right side
    4,122.80x = 23,498,403.52
  5. Step 5: Solve for x
    x = 23,498,403.52/4,122.80
  6. Step 6: Final answer
    x = 5,699.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.