Home / 5,521.74-7,620.12-3,531.84

Finding the Fourth Proportional to 5,521.74, 7,620.12 and 3,531.84

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Solution

The fourth proportional to 5,521.74, 7,620.12 and 3,531.84 is: 4,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.74 : 7,620.12 = 3,531.84 : x
  2. Step 2: Convert to fraction form
    5,521.74/7,620.12 = 3,531.84/x
  3. Step 3: Cross multiply
    5,521.74x = 7,620.12 × 3,531.84
  4. Step 4: Simplify right side
    5,521.74x = 26,913,044.62
  5. Step 5: Solve for x
    x = 26,913,044.62/5,521.74
  6. Step 6: Final answer
    x = 4,874.02

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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.