Home / 6,477.21-8,938.94-3,788.37

Finding the Fourth Proportional to 6,477.21, 8,938.94 and 3,788.37

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Solution

The fourth proportional to 6,477.21, 8,938.94 and 3,788.37 is: 5,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.21 : 8,938.94 = 3,788.37 : x
  2. Step 2: Convert to fraction form
    6,477.21/8,938.94 = 3,788.37/x
  3. Step 3: Cross multiply
    6,477.21x = 8,938.94 × 3,788.37
  4. Step 4: Simplify right side
    6,477.21x = 33,863,993.19
  5. Step 5: Solve for x
    x = 33,863,993.19/6,477.21
  6. Step 6: Final answer
    x = 5,228.18

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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.