Home / 5,377-8,065.50-1,914.26

Finding the Fourth Proportional to 5,377, 8,065.50 and 1,914.26

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Solution

The fourth proportional to 5,377, 8,065.50 and 1,914.26 is: 2,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377 : 8,065.50 = 1,914.26 : x
  2. Step 2: Convert to fraction form
    5,377/8,065.50 = 1,914.26/x
  3. Step 3: Cross multiply
    5,377x = 8,065.50 × 1,914.26
  4. Step 4: Simplify right side
    5,377x = 15,439,464.03
  5. Step 5: Solve for x
    x = 15,439,464.03/5,377
  6. Step 6: Final answer
    x = 2,871.39

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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.