Home / 6,438.05-9,658.91-2,055.85

Finding the Fourth Proportional to 6,438.05, 9,658.91 and 2,055.85

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Solution

The fourth proportional to 6,438.05, 9,658.91 and 2,055.85 is: 3,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.05 : 9,658.91 = 2,055.85 : x
  2. Step 2: Convert to fraction form
    6,438.05/9,658.91 = 2,055.85/x
  3. Step 3: Cross multiply
    6,438.05x = 9,658.91 × 2,055.85
  4. Step 4: Simplify right side
    6,438.05x = 19,857,270.12
  5. Step 5: Solve for x
    x = 19,857,270.12/6,438.05
  6. Step 6: Final answer
    x = 3,084.36

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1.5x scale

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.