Home / 5,935.20-8,900.10-3,161.16

Finding the Fourth Proportional to 5,935.20, 8,900.10 and 3,161.16

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Solution

The fourth proportional to 5,935.20, 8,900.10 and 3,161.16 is: 4,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,935.20 : 8,900.10 = 3,161.16 : x
  2. Step 2: Convert to fraction form
    5,935.20/8,900.10 = 3,161.16/x
  3. Step 3: Cross multiply
    5,935.20x = 8,900.10 × 3,161.16
  4. Step 4: Simplify right side
    5,935.20x = 28,134,640.12
  5. Step 5: Solve for x
    x = 28,134,640.12/5,935.20
  6. Step 6: Final answer
    x = 4,740.30

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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.