Home / 9,311.10-13,976.60-3,768.07

Finding the Fourth Proportional to 9,311.10, 13,976.60 and 3,768.07

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Solution

The fourth proportional to 9,311.10, 13,976.60 and 3,768.07 is: 5,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.10 : 13,976.60 = 3,768.07 : x
  2. Step 2: Convert to fraction form
    9,311.10/13,976.60 = 3,768.07/x
  3. Step 3: Cross multiply
    9,311.10x = 13,976.60 × 3,768.07
  4. Step 4: Simplify right side
    9,311.10x = 52,664,800.78
  5. Step 5: Solve for x
    x = 52,664,800.78/9,311.10
  6. Step 6: Final answer
    x = 5,656.13

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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.