Home / 6,399.59-9,603.49-3,110.89

Finding the Fourth Proportional to 6,399.59, 9,603.49 and 3,110.89

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Solution

The fourth proportional to 6,399.59, 9,603.49 and 3,110.89 is: 4,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.59 : 9,603.49 = 3,110.89 : x
  2. Step 2: Convert to fraction form
    6,399.59/9,603.49 = 3,110.89/x
  3. Step 3: Cross multiply
    6,399.59x = 9,603.49 × 3,110.89
  4. Step 4: Simplify right side
    6,399.59x = 29,875,369.22
  5. Step 5: Solve for x
    x = 29,875,369.22/6,399.59
  6. Step 6: Final answer
    x = 4,668.33

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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.