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Finding the Fourth Proportional to 9,603.20, 14,404.80 and 3,029.90

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Solution

The fourth proportional to 9,603.20, 14,404.80 and 3,029.90 is: 4,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.20 : 14,404.80 = 3,029.90 : x
  2. Step 2: Convert to fraction form
    9,603.20/14,404.80 = 3,029.90/x
  3. Step 3: Cross multiply
    9,603.20x = 14,404.80 × 3,029.90
  4. Step 4: Simplify right side
    9,603.20x = 43,645,016.35
  5. Step 5: Solve for x
    x = 43,645,016.35/9,603.20
  6. Step 6: Final answer
    x = 4,544.84

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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.