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Finding the Fourth Proportional to 9,797.05, 14,689.18 and 3,555.88

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Solution

The fourth proportional to 9,797.05, 14,689.18 and 3,555.88 is: 5,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,797.05 : 14,689.18 = 3,555.88 : x
  2. Step 2: Convert to fraction form
    9,797.05/14,689.18 = 3,555.88/x
  3. Step 3: Cross multiply
    9,797.05x = 14,689.18 × 3,555.88
  4. Step 4: Simplify right side
    9,797.05x = 52,232,961.38
  5. Step 5: Solve for x
    x = 52,232,961.38/9,797.05
  6. Step 6: Final answer
    x = 5,331.50

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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.