Home / 5,052.45-7,578.70-1,765.56

Finding the Fourth Proportional to 5,052.45, 7,578.70 and 1,765.56

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Solution

The fourth proportional to 5,052.45, 7,578.70 and 1,765.56 is: 2,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.45 : 7,578.70 = 1,765.56 : x
  2. Step 2: Convert to fraction form
    5,052.45/7,578.70 = 1,765.56/x
  3. Step 3: Cross multiply
    5,052.45x = 7,578.70 × 1,765.56
  4. Step 4: Simplify right side
    5,052.45x = 13,380,645.16
  5. Step 5: Solve for x
    x = 13,380,645.16/5,052.45
  6. Step 6: Final answer
    x = 2,648.35

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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.