Home / 7,420.95-11,121.69-3,033.39

Finding the Fourth Proportional to 7,420.95, 11,121.69 and 3,033.39

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Solution

The fourth proportional to 7,420.95, 11,121.69 and 3,033.39 is: 4,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.95 : 11,121.69 = 3,033.39 : x
  2. Step 2: Convert to fraction form
    7,420.95/11,121.69 = 3,033.39/x
  3. Step 3: Cross multiply
    7,420.95x = 11,121.69 × 3,033.39
  4. Step 4: Simplify right side
    7,420.95x = 33,736,423.23
  5. Step 5: Solve for x
    x = 33,736,423.23/7,420.95
  6. Step 6: Final answer
    x = 4,546.11

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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.