Home / 4,965.45-7,445.85-1,677.66

Finding the Fourth Proportional to 4,965.45, 7,445.85 and 1,677.66

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Solution

The fourth proportional to 4,965.45, 7,445.85 and 1,677.66 is: 2,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.45 : 7,445.85 = 1,677.66 : x
  2. Step 2: Convert to fraction form
    4,965.45/7,445.85 = 1,677.66/x
  3. Step 3: Cross multiply
    4,965.45x = 7,445.85 × 1,677.66
  4. Step 4: Simplify right side
    4,965.45x = 12,491,604.71
  5. Step 5: Solve for x
    x = 12,491,604.71/4,965.45
  6. Step 6: Final answer
    x = 2,515.70

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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.