Home / 6,379.18-8,804.14-3,862.90

Finding the Fourth Proportional to 6,379.18, 8,804.14 and 3,862.90

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Solution

The fourth proportional to 6,379.18, 8,804.14 and 3,862.90 is: 5,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.18 : 8,804.14 = 3,862.90 : x
  2. Step 2: Convert to fraction form
    6,379.18/8,804.14 = 3,862.90/x
  3. Step 3: Cross multiply
    6,379.18x = 8,804.14 × 3,862.90
  4. Step 4: Simplify right side
    6,379.18x = 34,009,512.41
  5. Step 5: Solve for x
    x = 34,009,512.41/6,379.18
  6. Step 6: Final answer
    x = 5,331.33

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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.