Home / 5,729.74-7,907.93-3,339.78

Finding the Fourth Proportional to 5,729.74, 7,907.93 and 3,339.78

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Solution

The fourth proportional to 5,729.74, 7,907.93 and 3,339.78 is: 4,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.74 : 7,907.93 = 3,339.78 : x
  2. Step 2: Convert to fraction form
    5,729.74/7,907.93 = 3,339.78/x
  3. Step 3: Cross multiply
    5,729.74x = 7,907.93 × 3,339.78
  4. Step 4: Simplify right side
    5,729.74x = 26,410,757.11
  5. Step 5: Solve for x
    x = 26,410,757.11/5,729.74
  6. Step 6: Final answer
    x = 4,609.42

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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.