Home / 5,878.77-8,112.86-3,361.29

Finding the Fourth Proportional to 5,878.77, 8,112.86 and 3,361.29

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Solution

The fourth proportional to 5,878.77, 8,112.86 and 3,361.29 is: 4,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.77 : 8,112.86 = 3,361.29 : x
  2. Step 2: Convert to fraction form
    5,878.77/8,112.86 = 3,361.29/x
  3. Step 3: Cross multiply
    5,878.77x = 8,112.86 × 3,361.29
  4. Step 4: Simplify right side
    5,878.77x = 27,269,658.38
  5. Step 5: Solve for x
    x = 27,269,658.38/5,878.77
  6. Step 6: Final answer
    x = 4,638.67

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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.