Home / 4,380.62-6,570.84-1,260.65

Finding the Fourth Proportional to 4,380.62, 6,570.84 and 1,260.65

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Solution

The fourth proportional to 4,380.62, 6,570.84 and 1,260.65 is: 1,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.62 : 6,570.84 = 1,260.65 : x
  2. Step 2: Convert to fraction form
    4,380.62/6,570.84 = 1,260.65/x
  3. Step 3: Cross multiply
    4,380.62x = 6,570.84 × 1,260.65
  4. Step 4: Simplify right side
    4,380.62x = 8,283,496.59
  5. Step 5: Solve for x
    x = 8,283,496.59/4,380.62
  6. Step 6: Final answer
    x = 1,890.94

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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.