Home / 5,521.84-7,620.04-3,003.91

Finding the Fourth Proportional to 5,521.84, 7,620.04 and 3,003.91

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Solution

The fourth proportional to 5,521.84, 7,620.04 and 3,003.91 is: 4,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.84 : 7,620.04 = 3,003.91 : x
  2. Step 2: Convert to fraction form
    5,521.84/7,620.04 = 3,003.91/x
  3. Step 3: Cross multiply
    5,521.84x = 7,620.04 × 3,003.91
  4. Step 4: Simplify right side
    5,521.84x = 22,889,914.36
  5. Step 5: Solve for x
    x = 22,889,914.36/5,521.84
  6. Step 6: Final answer
    x = 4,145.34

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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.