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Finding the Fourth Proportional to 6,403.08, 9,603.08 and 2,019.72

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Solution

The fourth proportional to 6,403.08, 9,603.08 and 2,019.72 is: 3,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.08 : 9,603.08 = 2,019.72 : x
  2. Step 2: Convert to fraction form
    6,403.08/9,603.08 = 2,019.72/x
  3. Step 3: Cross multiply
    6,403.08x = 9,603.08 × 2,019.72
  4. Step 4: Simplify right side
    6,403.08x = 19,395,532.74
  5. Step 5: Solve for x
    x = 19,395,532.74/6,403.08
  6. Step 6: Final answer
    x = 3,029.09

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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.