Home / 5,210.93-7,814.32-3,021.20

Finding the Fourth Proportional to 5,210.93, 7,814.32 and 3,021.20

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Solution

The fourth proportional to 5,210.93, 7,814.32 and 3,021.20 is: 4,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.93 : 7,814.32 = 3,021.20 : x
  2. Step 2: Convert to fraction form
    5,210.93/7,814.32 = 3,021.20/x
  3. Step 3: Cross multiply
    5,210.93x = 7,814.32 × 3,021.20
  4. Step 4: Simplify right side
    5,210.93x = 23,608,623.26
  5. Step 5: Solve for x
    x = 23,608,623.26/5,210.93
  6. Step 6: Final answer
    x = 4,530.59

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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.