Home / 5,429.94-8,145.99-2,309.91

Finding the Fourth Proportional to 5,429.94, 8,145.99 and 2,309.91

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Solution

The fourth proportional to 5,429.94, 8,145.99 and 2,309.91 is: 3,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.94 : 8,145.99 = 2,309.91 : x
  2. Step 2: Convert to fraction form
    5,429.94/8,145.99 = 2,309.91/x
  3. Step 3: Cross multiply
    5,429.94x = 8,145.99 × 2,309.91
  4. Step 4: Simplify right side
    5,429.94x = 18,816,503.76
  5. Step 5: Solve for x
    x = 18,816,503.76/5,429.94
  6. Step 6: Final answer
    x = 3,465.32

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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.