Home / 5,269.32-7,271.34-2,911.32

Finding the Fourth Proportional to 5,269.32, 7,271.34 and 2,911.32

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Solution

The fourth proportional to 5,269.32, 7,271.34 and 2,911.32 is: 4,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.32 : 7,271.34 = 2,911.32 : x
  2. Step 2: Convert to fraction form
    5,269.32/7,271.34 = 2,911.32/x
  3. Step 3: Cross multiply
    5,269.32x = 7,271.34 × 2,911.32
  4. Step 4: Simplify right side
    5,269.32x = 21,169,197.57
  5. Step 5: Solve for x
    x = 21,169,197.57/5,269.32
  6. Step 6: Final answer
    x = 4,017.44

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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.