Home / 8,465.39-11,682.32-5,107.55

Finding the Fourth Proportional to 8,465.39, 11,682.32 and 5,107.55

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Solution

The fourth proportional to 8,465.39, 11,682.32 and 5,107.55 is: 7,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.39 : 11,682.32 = 5,107.55 : x
  2. Step 2: Convert to fraction form
    8,465.39/11,682.32 = 5,107.55/x
  3. Step 3: Cross multiply
    8,465.39x = 11,682.32 × 5,107.55
  4. Step 4: Simplify right side
    8,465.39x = 59,668,091.69
  5. Step 5: Solve for x
    x = 59,668,091.69/8,465.39
  6. Step 6: Final answer
    x = 7,048.48

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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.