Home / 9,081.86-13,622.80-3,158.34

Finding the Fourth Proportional to 9,081.86, 13,622.80 and 3,158.34

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Solution

The fourth proportional to 9,081.86, 13,622.80 and 3,158.34 is: 4,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.86 : 13,622.80 = 3,158.34 : x
  2. Step 2: Convert to fraction form
    9,081.86/13,622.80 = 3,158.34/x
  3. Step 3: Cross multiply
    9,081.86x = 13,622.80 × 3,158.34
  4. Step 4: Simplify right side
    9,081.86x = 43,025,434.15
  5. Step 5: Solve for x
    x = 43,025,434.15/9,081.86
  6. Step 6: Final answer
    x = 4,737.51

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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.