Home / 5,406.08-8,109.09-2,940.35

Finding the Fourth Proportional to 5,406.08, 8,109.09 and 2,940.35

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Solution

The fourth proportional to 5,406.08, 8,109.09 and 2,940.35 is: 4,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.08 : 8,109.09 = 2,940.35 : x
  2. Step 2: Convert to fraction form
    5,406.08/8,109.09 = 2,940.35/x
  3. Step 3: Cross multiply
    5,406.08x = 8,109.09 × 2,940.35
  4. Step 4: Simplify right side
    5,406.08x = 23,843,522.24
  5. Step 5: Solve for x
    x = 23,843,522.24/5,406.08
  6. Step 6: Final answer
    x = 4,410.51

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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.