Home / 6,112.63-8,435.19-3,459.88

Finding the Fourth Proportional to 6,112.63, 8,435.19 and 3,459.88

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Solution

The fourth proportional to 6,112.63, 8,435.19 and 3,459.88 is: 4,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.63 : 8,435.19 = 3,459.88 : x
  2. Step 2: Convert to fraction form
    6,112.63/8,435.19 = 3,459.88/x
  3. Step 3: Cross multiply
    6,112.63x = 8,435.19 × 3,459.88
  4. Step 4: Simplify right side
    6,112.63x = 29,184,745.18
  5. Step 5: Solve for x
    x = 29,184,745.18/6,112.63
  6. Step 6: Final answer
    x = 4,774.50

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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.