Home / 4,281.33-6,415.72-1,942.05

Finding the Fourth Proportional to 4,281.33, 6,415.72 and 1,942.05

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Solution

The fourth proportional to 4,281.33, 6,415.72 and 1,942.05 is: 2,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.33 : 6,415.72 = 1,942.05 : x
  2. Step 2: Convert to fraction form
    4,281.33/6,415.72 = 1,942.05/x
  3. Step 3: Cross multiply
    4,281.33x = 6,415.72 × 1,942.05
  4. Step 4: Simplify right side
    4,281.33x = 12,459,649.03
  5. Step 5: Solve for x
    x = 12,459,649.03/4,281.33
  6. Step 6: Final answer
    x = 2,910.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.