Home / 4,618.28-6,922.68-1,841.20

Finding the Fourth Proportional to 4,618.28, 6,922.68 and 1,841.20

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Solution

The fourth proportional to 4,618.28, 6,922.68 and 1,841.20 is: 2,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.28 : 6,922.68 = 1,841.20 : x
  2. Step 2: Convert to fraction form
    4,618.28/6,922.68 = 1,841.20/x
  3. Step 3: Cross multiply
    4,618.28x = 6,922.68 × 1,841.20
  4. Step 4: Simplify right side
    4,618.28x = 12,746,038.42
  5. Step 5: Solve for x
    x = 12,746,038.42/4,618.28
  6. Step 6: Final answer
    x = 2,759.91

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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.