Home / 5,114.40-7,673.40-2,515.60

Finding the Fourth Proportional to 5,114.40, 7,673.40 and 2,515.60

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Solution

The fourth proportional to 5,114.40, 7,673.40 and 2,515.60 is: 3,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.40 : 7,673.40 = 2,515.60 : x
  2. Step 2: Convert to fraction form
    5,114.40/7,673.40 = 2,515.60/x
  3. Step 3: Cross multiply
    5,114.40x = 7,673.40 × 2,515.60
  4. Step 4: Simplify right side
    5,114.40x = 19,303,205.04
  5. Step 5: Solve for x
    x = 19,303,205.04/5,114.40
  6. Step 6: Final answer
    x = 3,774.29

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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.