Home / 7,423.08-11,138.98-2,746.38

Finding the Fourth Proportional to 7,423.08, 11,138.98 and 2,746.38

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Solution

The fourth proportional to 7,423.08, 11,138.98 and 2,746.38 is: 4,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.08 : 11,138.98 = 2,746.38 : x
  2. Step 2: Convert to fraction form
    7,423.08/11,138.98 = 2,746.38/x
  3. Step 3: Cross multiply
    7,423.08x = 11,138.98 × 2,746.38
  4. Step 4: Simplify right side
    7,423.08x = 30,591,871.89
  5. Step 5: Solve for x
    x = 30,591,871.89/7,423.08
  6. Step 6: Final answer
    x = 4,121.18

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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.