Home / 7,217.58-10,828.46-3,521.95

Finding the Fourth Proportional to 7,217.58, 10,828.46 and 3,521.95

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Solution

The fourth proportional to 7,217.58, 10,828.46 and 3,521.95 is: 5,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.58 : 10,828.46 = 3,521.95 : x
  2. Step 2: Convert to fraction form
    7,217.58/10,828.46 = 3,521.95/x
  3. Step 3: Cross multiply
    7,217.58x = 10,828.46 × 3,521.95
  4. Step 4: Simplify right side
    7,217.58x = 38,137,294.70
  5. Step 5: Solve for x
    x = 38,137,294.70/7,217.58
  6. Step 6: Final answer
    x = 5,283.94

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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.