Home / 6,112.45-8,435.37-3,459.80

Finding the Fourth Proportional to 6,112.45, 8,435.37 and 3,459.80

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Solution

The fourth proportional to 6,112.45, 8,435.37 and 3,459.80 is: 4,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.45 : 8,435.37 = 3,459.80 : x
  2. Step 2: Convert to fraction form
    6,112.45/8,435.37 = 3,459.80/x
  3. Step 3: Cross multiply
    6,112.45x = 8,435.37 × 3,459.80
  4. Step 4: Simplify right side
    6,112.45x = 29,184,677.71
  5. Step 5: Solve for x
    x = 29,184,677.71/6,112.45
  6. Step 6: Final answer
    x = 4,774.63

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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.