Home / 9,352.25-12,906.38-5,160.77

Finding the Fourth Proportional to 9,352.25, 12,906.38 and 5,160.77

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Solution

The fourth proportional to 9,352.25, 12,906.38 and 5,160.77 is: 7,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.25 : 12,906.38 = 5,160.77 : x
  2. Step 2: Convert to fraction form
    9,352.25/12,906.38 = 5,160.77/x
  3. Step 3: Cross multiply
    9,352.25x = 12,906.38 × 5,160.77
  4. Step 4: Simplify right side
    9,352.25x = 66,606,832.91
  5. Step 5: Solve for x
    x = 66,606,832.91/9,352.25
  6. Step 6: Final answer
    x = 7,122.01

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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.