Home / 4,932.40-7,402.80-2,012.80

Finding the Fourth Proportional to 4,932.40, 7,402.80 and 2,012.80

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Solution

The fourth proportional to 4,932.40, 7,402.80 and 2,012.80 is: 3,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.40 : 7,402.80 = 2,012.80 : x
  2. Step 2: Convert to fraction form
    4,932.40/7,402.80 = 2,012.80/x
  3. Step 3: Cross multiply
    4,932.40x = 7,402.80 × 2,012.80
  4. Step 4: Simplify right side
    4,932.40x = 14,900,355.84
  5. Step 5: Solve for x
    x = 14,900,355.84/4,932.40
  6. Step 6: Final answer
    x = 3,020.91

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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.