Home / 5,288.09-7,296.89-2,929.77

Finding the Fourth Proportional to 5,288.09, 7,296.89 and 2,929.77

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Solution

The fourth proportional to 5,288.09, 7,296.89 and 2,929.77 is: 4,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.09 : 7,296.89 = 2,929.77 : x
  2. Step 2: Convert to fraction form
    5,288.09/7,296.89 = 2,929.77/x
  3. Step 3: Cross multiply
    5,288.09x = 7,296.89 × 2,929.77
  4. Step 4: Simplify right side
    5,288.09x = 21,378,194.77
  5. Step 5: Solve for x
    x = 21,378,194.77/5,288.09
  6. Step 6: Final answer
    x = 4,042.71

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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.