Home / 5,269.30-7,271.37-2,911.36

Finding the Fourth Proportional to 5,269.30, 7,271.37 and 2,911.36

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Solution

The fourth proportional to 5,269.30, 7,271.37 and 2,911.36 is: 4,017.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.30 : 7,271.37 = 2,911.36 : x
  2. Step 2: Convert to fraction form
    5,269.30/7,271.37 = 2,911.36/x
  3. Step 3: Cross multiply
    5,269.30x = 7,271.37 × 2,911.36
  4. Step 4: Simplify right side
    5,269.30x = 21,169,575.76
  5. Step 5: Solve for x
    x = 21,169,575.76/5,269.30
  6. Step 6: Final answer
    x = 4,017.53

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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.