Home / 5,228.98-7,216-2,871.27

Finding the Fourth Proportional to 5,228.98, 7,216 and 2,871.27

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Solution

The fourth proportional to 5,228.98, 7,216 and 2,871.27 is: 3,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.98 : 7,216 = 2,871.27 : x
  2. Step 2: Convert to fraction form
    5,228.98/7,216 = 2,871.27/x
  3. Step 3: Cross multiply
    5,228.98x = 7,216 × 2,871.27
  4. Step 4: Simplify right side
    5,228.98x = 20,719,084.32
  5. Step 5: Solve for x
    x = 20,719,084.32/5,228.98
  6. Step 6: Final answer
    x = 3,962.36

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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.