Home / 5,269.02-7,271.22-2,911.08

Finding the Fourth Proportional to 5,269.02, 7,271.22 and 2,911.08

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Solution

The fourth proportional to 5,269.02, 7,271.22 and 2,911.08 is: 4,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.02 : 7,271.22 = 2,911.08 : x
  2. Step 2: Convert to fraction form
    5,269.02/7,271.22 = 2,911.08/x
  3. Step 3: Cross multiply
    5,269.02x = 7,271.22 × 2,911.08
  4. Step 4: Simplify right side
    5,269.02x = 21,167,103.12
  5. Step 5: Solve for x
    x = 21,167,103.12/5,269.02
  6. Step 6: Final answer
    x = 4,017.28

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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.