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Finding the Fourth Proportional to 9,799.92, 14,701.72 and 3,230.72

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Solution

The fourth proportional to 9,799.92, 14,701.72 and 3,230.72 is: 4,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.92 : 14,701.72 = 3,230.72 : x
  2. Step 2: Convert to fraction form
    9,799.92/14,701.72 = 3,230.72/x
  3. Step 3: Cross multiply
    9,799.92x = 14,701.72 × 3,230.72
  4. Step 4: Simplify right side
    9,799.92x = 47,497,140.84
  5. Step 5: Solve for x
    x = 47,497,140.84/9,799.92
  6. Step 6: Final answer
    x = 4,846.69

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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.