Home / 5,269.20-7,271.13-2,911.42

Finding the Fourth Proportional to 5,269.20, 7,271.13 and 2,911.42

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Solution

The fourth proportional to 5,269.20, 7,271.13 and 2,911.42 is: 4,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.20 : 7,271.13 = 2,911.42 : x
  2. Step 2: Convert to fraction form
    5,269.20/7,271.13 = 2,911.42/x
  3. Step 3: Cross multiply
    5,269.20x = 7,271.13 × 2,911.42
  4. Step 4: Simplify right side
    5,269.20x = 21,169,313.30
  5. Step 5: Solve for x
    x = 21,169,313.30/5,269.20
  6. Step 6: Final answer
    x = 4,017.56

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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.