Home / 4,387.25-6,579.90-1,266.57

Finding the Fourth Proportional to 4,387.25, 6,579.90 and 1,266.57

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Solution

The fourth proportional to 4,387.25, 6,579.90 and 1,266.57 is: 1,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.25 : 6,579.90 = 1,266.57 : x
  2. Step 2: Convert to fraction form
    4,387.25/6,579.90 = 1,266.57/x
  3. Step 3: Cross multiply
    4,387.25x = 6,579.90 × 1,266.57
  4. Step 4: Simplify right side
    4,387.25x = 8,333,903.94
  5. Step 5: Solve for x
    x = 8,333,903.94/4,387.25
  6. Step 6: Final answer
    x = 1,899.58

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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.