Home / 4,857.45-7,289.41-2,667.71

Finding the Fourth Proportional to 4,857.45, 7,289.41 and 2,667.71

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Solution

The fourth proportional to 4,857.45, 7,289.41 and 2,667.71 is: 4,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.45 : 7,289.41 = 2,667.71 : x
  2. Step 2: Convert to fraction form
    4,857.45/7,289.41 = 2,667.71/x
  3. Step 3: Cross multiply
    4,857.45x = 7,289.41 × 2,667.71
  4. Step 4: Simplify right side
    4,857.45x = 19,446,031.95
  5. Step 5: Solve for x
    x = 19,446,031.95/4,857.45
  6. Step 6: Final answer
    x = 4,003.34

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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.