Home / 5,218.08-7,827.38-2,548.86

Finding the Fourth Proportional to 5,218.08, 7,827.38 and 2,548.86

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Solution

The fourth proportional to 5,218.08, 7,827.38 and 2,548.86 is: 3,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.08 : 7,827.38 = 2,548.86 : x
  2. Step 2: Convert to fraction form
    5,218.08/7,827.38 = 2,548.86/x
  3. Step 3: Cross multiply
    5,218.08x = 7,827.38 × 2,548.86
  4. Step 4: Simplify right side
    5,218.08x = 19,950,863.02
  5. Step 5: Solve for x
    x = 19,950,863.02/5,218.08
  6. Step 6: Final answer
    x = 3,823.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.