Home / 5,257.28-7,252.77-3,018.65

Finding the Fourth Proportional to 5,257.28, 7,252.77 and 3,018.65

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Solution

The fourth proportional to 5,257.28, 7,252.77 and 3,018.65 is: 4,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.28 : 7,252.77 = 3,018.65 : x
  2. Step 2: Convert to fraction form
    5,257.28/7,252.77 = 3,018.65/x
  3. Step 3: Cross multiply
    5,257.28x = 7,252.77 × 3,018.65
  4. Step 4: Simplify right side
    5,257.28x = 21,893,549.22
  5. Step 5: Solve for x
    x = 21,893,549.22/5,257.28
  6. Step 6: Final answer
    x = 4,164.42

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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.