Home / 4,380.58-6,571.20-1,260.57

Finding the Fourth Proportional to 4,380.58, 6,571.20 and 1,260.57

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Solution

The fourth proportional to 4,380.58, 6,571.20 and 1,260.57 is: 1,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.58 : 6,571.20 = 1,260.57 : x
  2. Step 2: Convert to fraction form
    4,380.58/6,571.20 = 1,260.57/x
  3. Step 3: Cross multiply
    4,380.58x = 6,571.20 × 1,260.57
  4. Step 4: Simplify right side
    4,380.58x = 8,283,457.58
  5. Step 5: Solve for x
    x = 8,283,457.58/4,380.58
  6. Step 6: Final answer
    x = 1,890.95

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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.