Home / 7,627.97-11,436.59-2,947.62

Finding the Fourth Proportional to 7,627.97, 11,436.59 and 2,947.62

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Solution

The fourth proportional to 7,627.97, 11,436.59 and 2,947.62 is: 4,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.97 : 11,436.59 = 2,947.62 : x
  2. Step 2: Convert to fraction form
    7,627.97/11,436.59 = 2,947.62/x
  3. Step 3: Cross multiply
    7,627.97x = 11,436.59 × 2,947.62
  4. Step 4: Simplify right side
    7,627.97x = 33,710,771.67
  5. Step 5: Solve for x
    x = 33,710,771.67/7,627.97
  6. Step 6: Final answer
    x = 4,419.36

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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.