Home / 9,477.22-13,078.92-5,286.28

Finding the Fourth Proportional to 9,477.22, 13,078.92 and 5,286.28

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Solution

The fourth proportional to 9,477.22, 13,078.92 and 5,286.28 is: 7,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.22 : 13,078.92 = 5,286.28 : x
  2. Step 2: Convert to fraction form
    9,477.22/13,078.92 = 5,286.28/x
  3. Step 3: Cross multiply
    9,477.22x = 13,078.92 × 5,286.28
  4. Step 4: Simplify right side
    9,477.22x = 69,138,833.22
  5. Step 5: Solve for x
    x = 69,138,833.22/9,477.22
  6. Step 6: Final answer
    x = 7,295.27

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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.