Home / 5,435-8,127.58-4,049.28

Finding the Fourth Proportional to 5,435, 8,127.58 and 4,049.28

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Solution

The fourth proportional to 5,435, 8,127.58 and 4,049.28 is: 6,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435 : 8,127.58 = 4,049.28 : x
  2. Step 2: Convert to fraction form
    5,435/8,127.58 = 4,049.28/x
  3. Step 3: Cross multiply
    5,435x = 8,127.58 × 4,049.28
  4. Step 4: Simplify right side
    5,435x = 32,910,847.14
  5. Step 5: Solve for x
    x = 32,910,847.14/5,435
  6. Step 6: Final answer
    x = 6,055.35

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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.