Home / 5,519.73-7,620.05-4,257.95

Finding the Fourth Proportional to 5,519.73, 7,620.05 and 4,257.95

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Solution

The fourth proportional to 5,519.73, 7,620.05 and 4,257.95 is: 5,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.73 : 7,620.05 = 4,257.95 : x
  2. Step 2: Convert to fraction form
    5,519.73/7,620.05 = 4,257.95/x
  3. Step 3: Cross multiply
    5,519.73x = 7,620.05 × 4,257.95
  4. Step 4: Simplify right side
    5,519.73x = 32,445,732.51
  5. Step 5: Solve for x
    x = 32,445,732.51/5,519.73
  6. Step 6: Final answer
    x = 5,878.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.