Home / 9,627.09-13,284.07-5,377.62

Finding the Fourth Proportional to 9,627.09, 13,284.07 and 5,377.62

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Solution

The fourth proportional to 9,627.09, 13,284.07 and 5,377.62 is: 7,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.09 : 13,284.07 = 5,377.62 : x
  2. Step 2: Convert to fraction form
    9,627.09/13,284.07 = 5,377.62/x
  3. Step 3: Cross multiply
    9,627.09x = 13,284.07 × 5,377.62
  4. Step 4: Simplify right side
    9,627.09x = 71,436,716.88
  5. Step 5: Solve for x
    x = 71,436,716.88/9,627.09
  6. Step 6: Final answer
    x = 7,420.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.