Home / 5,320.83-7,981.79-2,036.68

Finding the Fourth Proportional to 5,320.83, 7,981.79 and 2,036.68

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Solution

The fourth proportional to 5,320.83, 7,981.79 and 2,036.68 is: 3,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.83 : 7,981.79 = 2,036.68 : x
  2. Step 2: Convert to fraction form
    5,320.83/7,981.79 = 2,036.68/x
  3. Step 3: Cross multiply
    5,320.83x = 7,981.79 × 2,036.68
  4. Step 4: Simplify right side
    5,320.83x = 16,256,352.06
  5. Step 5: Solve for x
    x = 16,256,352.06/5,320.83
  6. Step 6: Final answer
    x = 3,055.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.