Home / 5,433.69-8,143.14-2,309.77

Finding the Fourth Proportional to 5,433.69, 8,143.14 and 2,309.77

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Solution

The fourth proportional to 5,433.69, 8,143.14 and 2,309.77 is: 3,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.69 : 8,143.14 = 2,309.77 : x
  2. Step 2: Convert to fraction form
    5,433.69/8,143.14 = 2,309.77/x
  3. Step 3: Cross multiply
    5,433.69x = 8,143.14 × 2,309.77
  4. Step 4: Simplify right side
    5,433.69x = 18,808,780.48
  5. Step 5: Solve for x
    x = 18,808,780.48/5,433.69
  6. Step 6: Final answer
    x = 3,461.51

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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.