Home / 5,310.29-7,960.77-2,021.19

Finding the Fourth Proportional to 5,310.29, 7,960.77 and 2,021.19

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Solution

The fourth proportional to 5,310.29, 7,960.77 and 2,021.19 is: 3,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.29 : 7,960.77 = 2,021.19 : x
  2. Step 2: Convert to fraction form
    5,310.29/7,960.77 = 2,021.19/x
  3. Step 3: Cross multiply
    5,310.29x = 7,960.77 × 2,021.19
  4. Step 4: Simplify right side
    5,310.29x = 16,090,228.72
  5. Step 5: Solve for x
    x = 16,090,228.72/5,310.29
  6. Step 6: Final answer
    x = 3,030.01

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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.