Home / 5,627.05-7,765.80-3,269.05

Finding the Fourth Proportional to 5,627.05, 7,765.80 and 3,269.05

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Solution

The fourth proportional to 5,627.05, 7,765.80 and 3,269.05 is: 4,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.05 : 7,765.80 = 3,269.05 : x
  2. Step 2: Convert to fraction form
    5,627.05/7,765.80 = 3,269.05/x
  3. Step 3: Cross multiply
    5,627.05x = 7,765.80 × 3,269.05
  4. Step 4: Simplify right side
    5,627.05x = 25,386,788.49
  5. Step 5: Solve for x
    x = 25,386,788.49/5,627.05
  6. Step 6: Final answer
    x = 4,511.56

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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.