Home / 7,154.95-10,734.66-3,209.52

Finding the Fourth Proportional to 7,154.95, 10,734.66 and 3,209.52

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Solution

The fourth proportional to 7,154.95, 10,734.66 and 3,209.52 is: 4,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.95 : 10,734.66 = 3,209.52 : x
  2. Step 2: Convert to fraction form
    7,154.95/10,734.66 = 3,209.52/x
  3. Step 3: Cross multiply
    7,154.95x = 10,734.66 × 3,209.52
  4. Step 4: Simplify right side
    7,154.95x = 34,453,105.96
  5. Step 5: Solve for x
    x = 34,453,105.96/7,154.95
  6. Step 6: Final answer
    x = 4,815.28

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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.