Home / 5,269.08-7,271.37-2,911.17

Finding the Fourth Proportional to 5,269.08, 7,271.37 and 2,911.17

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Solution

The fourth proportional to 5,269.08, 7,271.37 and 2,911.17 is: 4,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.08 : 7,271.37 = 2,911.17 : x
  2. Step 2: Convert to fraction form
    5,269.08/7,271.37 = 2,911.17/x
  3. Step 3: Cross multiply
    5,269.08x = 7,271.37 × 2,911.17
  4. Step 4: Simplify right side
    5,269.08x = 21,168,194.20
  5. Step 5: Solve for x
    x = 21,168,194.20/5,269.08
  6. Step 6: Final answer
    x = 4,017.44

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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.