Home / 5,069.19-7,603.75-1,371.80

Finding the Fourth Proportional to 5,069.19, 7,603.75 and 1,371.80

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Solution

The fourth proportional to 5,069.19, 7,603.75 and 1,371.80 is: 2,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.19 : 7,603.75 = 1,371.80 : x
  2. Step 2: Convert to fraction form
    5,069.19/7,603.75 = 1,371.80/x
  3. Step 3: Cross multiply
    5,069.19x = 7,603.75 × 1,371.80
  4. Step 4: Simplify right side
    5,069.19x = 10,430,779.37
  5. Step 5: Solve for x
    x = 10,430,779.37/5,069.19
  6. Step 6: Final answer
    x = 2,057.68

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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.