Home / 5,912.10-8,158.20-3,259.32

Finding the Fourth Proportional to 5,912.10, 8,158.20 and 3,259.32

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Solution

The fourth proportional to 5,912.10, 8,158.20 and 3,259.32 is: 4,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.10 : 8,158.20 = 3,259.32 : x
  2. Step 2: Convert to fraction form
    5,912.10/8,158.20 = 3,259.32/x
  3. Step 3: Cross multiply
    5,912.10x = 8,158.20 × 3,259.32
  4. Step 4: Simplify right side
    5,912.10x = 26,590,184.42
  5. Step 5: Solve for x
    x = 26,590,184.42/5,912.10
  6. Step 6: Final answer
    x = 4,497.59

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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.