Home / 5,042.21-7,564.86-2,578.76

Finding the Fourth Proportional to 5,042.21, 7,564.86 and 2,578.76

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Solution

The fourth proportional to 5,042.21, 7,564.86 and 2,578.76 is: 3,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.21 : 7,564.86 = 2,578.76 : x
  2. Step 2: Convert to fraction form
    5,042.21/7,564.86 = 2,578.76/x
  3. Step 3: Cross multiply
    5,042.21x = 7,564.86 × 2,578.76
  4. Step 4: Simplify right side
    5,042.21x = 19,507,958.37
  5. Step 5: Solve for x
    x = 19,507,958.37/5,042.21
  6. Step 6: Final answer
    x = 3,868.93

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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.