Home / 6,402.05-9,603.07-2,019.85

Finding the Fourth Proportional to 6,402.05, 9,603.07 and 2,019.85

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Solution

The fourth proportional to 6,402.05, 9,603.07 and 2,019.85 is: 3,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.05 : 9,603.07 = 2,019.85 : x
  2. Step 2: Convert to fraction form
    6,402.05/9,603.07 = 2,019.85/x
  3. Step 3: Cross multiply
    6,402.05x = 9,603.07 × 2,019.85
  4. Step 4: Simplify right side
    6,402.05x = 19,396,712.92
  5. Step 5: Solve for x
    x = 19,396,712.92/6,402.05
  6. Step 6: Final answer
    x = 3,029.77

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Half scale
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Double scale
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Similar ratio
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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.