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Finding the Fourth Proportional to 6,521.84, 9,000.06 and 3,689.27

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Solution

The fourth proportional to 6,521.84, 9,000.06 and 3,689.27 is: 5,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.84 : 9,000.06 = 3,689.27 : x
  2. Step 2: Convert to fraction form
    6,521.84/9,000.06 = 3,689.27/x
  3. Step 3: Cross multiply
    6,521.84x = 9,000.06 × 3,689.27
  4. Step 4: Simplify right side
    6,521.84x = 33,203,651.36
  5. Step 5: Solve for x
    x = 33,203,651.36/6,521.84
  6. Step 6: Final answer
    x = 5,091.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.