Home / 5,114.13-7,656.21-3,886.44

Finding the Fourth Proportional to 5,114.13, 7,656.21 and 3,886.44

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Solution

The fourth proportional to 5,114.13, 7,656.21 and 3,886.44 is: 5,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.13 : 7,656.21 = 3,886.44 : x
  2. Step 2: Convert to fraction form
    5,114.13/7,656.21 = 3,886.44/x
  3. Step 3: Cross multiply
    5,114.13x = 7,656.21 × 3,886.44
  4. Step 4: Simplify right side
    5,114.13x = 29,755,400.79
  5. Step 5: Solve for x
    x = 29,755,400.79/5,114.13
  6. Step 6: Final answer
    x = 5,818.27

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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.