Home / 6,361.39-8,779.06-4,125.18

Finding the Fourth Proportional to 6,361.39, 8,779.06 and 4,125.18

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Solution

The fourth proportional to 6,361.39, 8,779.06 and 4,125.18 is: 5,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.39 : 8,779.06 = 4,125.18 : x
  2. Step 2: Convert to fraction form
    6,361.39/8,779.06 = 4,125.18/x
  3. Step 3: Cross multiply
    6,361.39x = 8,779.06 × 4,125.18
  4. Step 4: Simplify right side
    6,361.39x = 36,215,179.82
  5. Step 5: Solve for x
    x = 36,215,179.82/6,361.39
  6. Step 6: Final answer
    x = 5,692.97

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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.