Home / 8,520.39-11,758.41-5,332.68

Finding the Fourth Proportional to 8,520.39, 11,758.41 and 5,332.68

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Solution

The fourth proportional to 8,520.39, 11,758.41 and 5,332.68 is: 7,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.39 : 11,758.41 = 5,332.68 : x
  2. Step 2: Convert to fraction form
    8,520.39/11,758.41 = 5,332.68/x
  3. Step 3: Cross multiply
    8,520.39x = 11,758.41 × 5,332.68
  4. Step 4: Simplify right side
    8,520.39x = 62,703,837.84
  5. Step 5: Solve for x
    x = 62,703,837.84/8,520.39
  6. Step 6: Final answer
    x = 7,359.27

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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.