Home / 5,269.41-7,271.93-2,911.70

Finding the Fourth Proportional to 5,269.41, 7,271.93 and 2,911.70

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Solution

The fourth proportional to 5,269.41, 7,271.93 and 2,911.70 is: 4,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.41 : 7,271.93 = 2,911.70 : x
  2. Step 2: Convert to fraction form
    5,269.41/7,271.93 = 2,911.70/x
  3. Step 3: Cross multiply
    5,269.41x = 7,271.93 × 2,911.70
  4. Step 4: Simplify right side
    5,269.41x = 21,173,704.04
  5. Step 5: Solve for x
    x = 21,173,704.04/5,269.41
  6. Step 6: Final answer
    x = 4,018.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.