Home / 4,808.19-7,212.33-1,521.30

Finding the Fourth Proportional to 4,808.19, 7,212.33 and 1,521.30

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Solution

The fourth proportional to 4,808.19, 7,212.33 and 1,521.30 is: 2,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.19 : 7,212.33 = 1,521.30 : x
  2. Step 2: Convert to fraction form
    4,808.19/7,212.33 = 1,521.30/x
  3. Step 3: Cross multiply
    4,808.19x = 7,212.33 × 1,521.30
  4. Step 4: Simplify right side
    4,808.19x = 10,972,117.63
  5. Step 5: Solve for x
    x = 10,972,117.63/4,808.19
  6. Step 6: Final answer
    x = 2,281.96

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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.