Home / 9,255.40-13,881.08-2,930.77

Finding the Fourth Proportional to 9,255.40, 13,881.08 and 2,930.77

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Solution

The fourth proportional to 9,255.40, 13,881.08 and 2,930.77 is: 4,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.40 : 13,881.08 = 2,930.77 : x
  2. Step 2: Convert to fraction form
    9,255.40/13,881.08 = 2,930.77/x
  3. Step 3: Cross multiply
    9,255.40x = 13,881.08 × 2,930.77
  4. Step 4: Simplify right side
    9,255.40x = 40,682,183.43
  5. Step 5: Solve for x
    x = 40,682,183.43/9,255.40
  6. Step 6: Final answer
    x = 4,395.51

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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.