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Finding the Fourth Proportional to 6,353.80, 8,767.99 and 3,521.22

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Solution

The fourth proportional to 6,353.80, 8,767.99 and 3,521.22 is: 4,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,353.80 : 8,767.99 = 3,521.22 : x
  2. Step 2: Convert to fraction form
    6,353.80/8,767.99 = 3,521.22/x
  3. Step 3: Cross multiply
    6,353.80x = 8,767.99 × 3,521.22
  4. Step 4: Simplify right side
    6,353.80x = 30,873,969.10
  5. Step 5: Solve for x
    x = 30,873,969.10/6,353.80
  6. Step 6: Final answer
    x = 4,859.13

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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.