Home / 4,419.54-6,626.88-1,821.06

Finding the Fourth Proportional to 4,419.54, 6,626.88 and 1,821.06

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Solution

The fourth proportional to 4,419.54, 6,626.88 and 1,821.06 is: 2,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.54 : 6,626.88 = 1,821.06 : x
  2. Step 2: Convert to fraction form
    4,419.54/6,626.88 = 1,821.06/x
  3. Step 3: Cross multiply
    4,419.54x = 6,626.88 × 1,821.06
  4. Step 4: Simplify right side
    4,419.54x = 12,067,946.09
  5. Step 5: Solve for x
    x = 12,067,946.09/4,419.54
  6. Step 6: Final answer
    x = 2,730.59

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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.