Home / 6,370.37-9,557.49-1,987.87

Finding the Fourth Proportional to 6,370.37, 9,557.49 and 1,987.87

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Solution

The fourth proportional to 6,370.37, 9,557.49 and 1,987.87 is: 2,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.37 : 9,557.49 = 1,987.87 : x
  2. Step 2: Convert to fraction form
    6,370.37/9,557.49 = 1,987.87/x
  3. Step 3: Cross multiply
    6,370.37x = 9,557.49 × 1,987.87
  4. Step 4: Simplify right side
    6,370.37x = 18,999,022.25
  5. Step 5: Solve for x
    x = 18,999,022.25/6,370.37
  6. Step 6: Final answer
    x = 2,982.40

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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.