Home / 7,135.40-10,704.02-2,204.62

Finding the Fourth Proportional to 7,135.40, 10,704.02 and 2,204.62

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Solution

The fourth proportional to 7,135.40, 10,704.02 and 2,204.62 is: 3,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.40 : 10,704.02 = 2,204.62 : x
  2. Step 2: Convert to fraction form
    7,135.40/10,704.02 = 2,204.62/x
  3. Step 3: Cross multiply
    7,135.40x = 10,704.02 × 2,204.62
  4. Step 4: Simplify right side
    7,135.40x = 23,598,296.57
  5. Step 5: Solve for x
    x = 23,598,296.57/7,135.40
  6. Step 6: Final answer
    x = 3,307.21

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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.