Home / 5,983.90-8,965.96-3,636.78

Finding the Fourth Proportional to 5,983.90, 8,965.96 and 3,636.78

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Solution

The fourth proportional to 5,983.90, 8,965.96 and 3,636.78 is: 5,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983.90 : 8,965.96 = 3,636.78 : x
  2. Step 2: Convert to fraction form
    5,983.90/8,965.96 = 3,636.78/x
  3. Step 3: Cross multiply
    5,983.90x = 8,965.96 × 3,636.78
  4. Step 4: Simplify right side
    5,983.90x = 32,607,220.49
  5. Step 5: Solve for x
    x = 32,607,220.49/5,983.90
  6. Step 6: Final answer
    x = 5,449.16

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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.