Home / 5,269.20-7,270.83-2,911.35

Finding the Fourth Proportional to 5,269.20, 7,270.83 and 2,911.35

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Solution

The fourth proportional to 5,269.20, 7,270.83 and 2,911.35 is: 4,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.20 : 7,270.83 = 2,911.35 : x
  2. Step 2: Convert to fraction form
    5,269.20/7,270.83 = 2,911.35/x
  3. Step 3: Cross multiply
    5,269.20x = 7,270.83 × 2,911.35
  4. Step 4: Simplify right side
    5,269.20x = 21,167,930.92
  5. Step 5: Solve for x
    x = 21,167,930.92/5,269.20
  6. Step 6: Final answer
    x = 4,017.30

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1.5x scale

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.