Home / 5,618.72-8,433.26-2,847.32

Finding the Fourth Proportional to 5,618.72, 8,433.26 and 2,847.32

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Solution

The fourth proportional to 5,618.72, 8,433.26 and 2,847.32 is: 4,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.72 : 8,433.26 = 2,847.32 : x
  2. Step 2: Convert to fraction form
    5,618.72/8,433.26 = 2,847.32/x
  3. Step 3: Cross multiply
    5,618.72x = 8,433.26 × 2,847.32
  4. Step 4: Simplify right side
    5,618.72x = 24,012,133.46
  5. Step 5: Solve for x
    x = 24,012,133.46/5,618.72
  6. Step 6: Final answer
    x = 4,273.60

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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.