Home / 4,965.40-7,445.90-1,677.60

Finding the Fourth Proportional to 4,965.40, 7,445.90 and 1,677.60

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Solution

The fourth proportional to 4,965.40, 7,445.90 and 1,677.60 is: 2,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.40 : 7,445.90 = 1,677.60 : x
  2. Step 2: Convert to fraction form
    4,965.40/7,445.90 = 1,677.60/x
  3. Step 3: Cross multiply
    4,965.40x = 7,445.90 × 1,677.60
  4. Step 4: Simplify right side
    4,965.40x = 12,491,241.84
  5. Step 5: Solve for x
    x = 12,491,241.84/4,965.40
  6. Step 6: Final answer
    x = 2,515.66

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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.