Home / 8,744.85-12,067.79-4,765.91

Finding the Fourth Proportional to 8,744.85, 12,067.79 and 4,765.91

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Solution

The fourth proportional to 8,744.85, 12,067.79 and 4,765.91 is: 6,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.85 : 12,067.79 = 4,765.91 : x
  2. Step 2: Convert to fraction form
    8,744.85/12,067.79 = 4,765.91/x
  3. Step 3: Cross multiply
    8,744.85x = 12,067.79 × 4,765.91
  4. Step 4: Simplify right side
    8,744.85x = 57,513,916.87
  5. Step 5: Solve for x
    x = 57,513,916.87/8,744.85
  6. Step 6: Final answer
    x = 6,576.89

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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.