Home / 5,268.88-7,271.05-2,911.01

Finding the Fourth Proportional to 5,268.88, 7,271.05 and 2,911.01

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Solution

The fourth proportional to 5,268.88, 7,271.05 and 2,911.01 is: 4,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.88 : 7,271.05 = 2,911.01 : x
  2. Step 2: Convert to fraction form
    5,268.88/7,271.05 = 2,911.01/x
  3. Step 3: Cross multiply
    5,268.88x = 7,271.05 × 2,911.01
  4. Step 4: Simplify right side
    5,268.88x = 21,166,099.26
  5. Step 5: Solve for x
    x = 21,166,099.26/5,268.88
  6. Step 6: Final answer
    x = 4,017.19

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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.