Home / 5,380.23-8,055.32-2,906.19

Finding the Fourth Proportional to 5,380.23, 8,055.32 and 2,906.19

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Solution

The fourth proportional to 5,380.23, 8,055.32 and 2,906.19 is: 4,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.23 : 8,055.32 = 2,906.19 : x
  2. Step 2: Convert to fraction form
    5,380.23/8,055.32 = 2,906.19/x
  3. Step 3: Cross multiply
    5,380.23x = 8,055.32 × 2,906.19
  4. Step 4: Simplify right side
    5,380.23x = 23,410,275.90
  5. Step 5: Solve for x
    x = 23,410,275.90/5,380.23
  6. Step 6: Final answer
    x = 4,351.16

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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.