Home / 5,818.13-8,026.44-3,878.28

Finding the Fourth Proportional to 5,818.13, 8,026.44 and 3,878.28

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Solution

The fourth proportional to 5,818.13, 8,026.44 and 3,878.28 is: 5,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.13 : 8,026.44 = 3,878.28 : x
  2. Step 2: Convert to fraction form
    5,818.13/8,026.44 = 3,878.28/x
  3. Step 3: Cross multiply
    5,818.13x = 8,026.44 × 3,878.28
  4. Step 4: Simplify right side
    5,818.13x = 31,128,781.72
  5. Step 5: Solve for x
    x = 31,128,781.72/5,818.13
  6. Step 6: Final answer
    x = 5,350.31

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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.