Home / 4,877.21-7,315.81-2,281.97

Finding the Fourth Proportional to 4,877.21, 7,315.81 and 2,281.97

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Solution

The fourth proportional to 4,877.21, 7,315.81 and 2,281.97 is: 3,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.21 : 7,315.81 = 2,281.97 : x
  2. Step 2: Convert to fraction form
    4,877.21/7,315.81 = 2,281.97/x
  3. Step 3: Cross multiply
    4,877.21x = 7,315.81 × 2,281.97
  4. Step 4: Simplify right side
    4,877.21x = 16,694,416.66
  5. Step 5: Solve for x
    x = 16,694,416.66/4,877.21
  6. Step 6: Final answer
    x = 3,422.95

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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.