Home / 5,269.25-7,271.34-2,911.34

Finding the Fourth Proportional to 5,269.25, 7,271.34 and 2,911.34

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Solution

The fourth proportional to 5,269.25, 7,271.34 and 2,911.34 is: 4,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.25 : 7,271.34 = 2,911.34 : x
  2. Step 2: Convert to fraction form
    5,269.25/7,271.34 = 2,911.34/x
  3. Step 3: Cross multiply
    5,269.25x = 7,271.34 × 2,911.34
  4. Step 4: Simplify right side
    5,269.25x = 21,169,350.26
  5. Step 5: Solve for x
    x = 21,169,350.26/5,269.25
  6. Step 6: Final answer
    x = 4,017.52

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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.