Home / 8,209.79-11,338.91-5,552.59

Finding the Fourth Proportional to 8,209.79, 11,338.91 and 5,552.59

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Solution

The fourth proportional to 8,209.79, 11,338.91 and 5,552.59 is: 7,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.79 : 11,338.91 = 5,552.59 : x
  2. Step 2: Convert to fraction form
    8,209.79/11,338.91 = 5,552.59/x
  3. Step 3: Cross multiply
    8,209.79x = 11,338.91 × 5,552.59
  4. Step 4: Simplify right side
    8,209.79x = 62,960,303.92
  5. Step 5: Solve for x
    x = 62,960,303.92/8,209.79
  6. Step 6: Final answer
    x = 7,668.93

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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.