Home / 9,181.55-13,768.81-2,940.23

Finding the Fourth Proportional to 9,181.55, 13,768.81 and 2,940.23

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Solution

The fourth proportional to 9,181.55, 13,768.81 and 2,940.23 is: 4,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.55 : 13,768.81 = 2,940.23 : x
  2. Step 2: Convert to fraction form
    9,181.55/13,768.81 = 2,940.23/x
  3. Step 3: Cross multiply
    9,181.55x = 13,768.81 × 2,940.23
  4. Step 4: Simplify right side
    9,181.55x = 40,483,468.23
  5. Step 5: Solve for x
    x = 40,483,468.23/9,181.55
  6. Step 6: Final answer
    x = 4,409.22

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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.