Home / 9,185.91-13,778.61-2,946.34

Finding the Fourth Proportional to 9,185.91, 13,778.61 and 2,946.34

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Solution

The fourth proportional to 9,185.91, 13,778.61 and 2,946.34 is: 4,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.91 : 13,778.61 = 2,946.34 : x
  2. Step 2: Convert to fraction form
    9,185.91/13,778.61 = 2,946.34/x
  3. Step 3: Cross multiply
    9,185.91x = 13,778.61 × 2,946.34
  4. Step 4: Simplify right side
    9,185.91x = 40,596,475.96
  5. Step 5: Solve for x
    x = 40,596,475.96/9,185.91
  6. Step 6: Final answer
    x = 4,419.43

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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.