Home / 9,100.46-12,559.36-5,121.32

Finding the Fourth Proportional to 9,100.46, 12,559.36 and 5,121.32

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Solution

The fourth proportional to 9,100.46, 12,559.36 and 5,121.32 is: 7,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.46 : 12,559.36 = 5,121.32 : x
  2. Step 2: Convert to fraction form
    9,100.46/12,559.36 = 5,121.32/x
  3. Step 3: Cross multiply
    9,100.46x = 12,559.36 × 5,121.32
  4. Step 4: Simplify right side
    9,100.46x = 64,320,501.56
  5. Step 5: Solve for x
    x = 64,320,501.56/9,100.46
  6. Step 6: Final answer
    x = 7,067.83

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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.