Home / 5,816.88-8,029.13-3,927.15

Finding the Fourth Proportional to 5,816.88, 8,029.13 and 3,927.15

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Solution

The fourth proportional to 5,816.88, 8,029.13 and 3,927.15 is: 5,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.88 : 8,029.13 = 3,927.15 : x
  2. Step 2: Convert to fraction form
    5,816.88/8,029.13 = 3,927.15/x
  3. Step 3: Cross multiply
    5,816.88x = 8,029.13 × 3,927.15
  4. Step 4: Simplify right side
    5,816.88x = 31,531,578.24
  5. Step 5: Solve for x
    x = 31,531,578.24/5,816.88
  6. Step 6: Final answer
    x = 5,420.70

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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.