Home / 6,218.10-9,320.37-3,100.41

Finding the Fourth Proportional to 6,218.10, 9,320.37 and 3,100.41

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Solution

The fourth proportional to 6,218.10, 9,320.37 and 3,100.41 is: 4,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.10 : 9,320.37 = 3,100.41 : x
  2. Step 2: Convert to fraction form
    6,218.10/9,320.37 = 3,100.41/x
  3. Step 3: Cross multiply
    6,218.10x = 9,320.37 × 3,100.41
  4. Step 4: Simplify right side
    6,218.10x = 28,896,968.35
  5. Step 5: Solve for x
    x = 28,896,968.35/6,218.10
  6. Step 6: Final answer
    x = 4,647.23

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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.