Home / 7,417.85-11,127.04-3,255.73

Finding the Fourth Proportional to 7,417.85, 11,127.04 and 3,255.73

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Solution

The fourth proportional to 7,417.85, 11,127.04 and 3,255.73 is: 4,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.85 : 11,127.04 = 3,255.73 : x
  2. Step 2: Convert to fraction form
    7,417.85/11,127.04 = 3,255.73/x
  3. Step 3: Cross multiply
    7,417.85x = 11,127.04 × 3,255.73
  4. Step 4: Simplify right side
    7,417.85x = 36,226,601.98
  5. Step 5: Solve for x
    x = 36,226,601.98/7,417.85
  6. Step 6: Final answer
    x = 4,883.71

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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.