Home / 7,084.52-10,627.15-2,153.78

Finding the Fourth Proportional to 7,084.52, 10,627.15 and 2,153.78

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Solution

The fourth proportional to 7,084.52, 10,627.15 and 2,153.78 is: 3,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.52 : 10,627.15 = 2,153.78 : x
  2. Step 2: Convert to fraction form
    7,084.52/10,627.15 = 2,153.78/x
  3. Step 3: Cross multiply
    7,084.52x = 10,627.15 × 2,153.78
  4. Step 4: Simplify right side
    7,084.52x = 22,888,489.99
  5. Step 5: Solve for x
    x = 22,888,489.99/7,084.52
  6. Step 6: Final answer
    x = 3,230.78

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1.5x scale

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.