Home / 6,603.48-9,907.43-2,161.35

Finding the Fourth Proportional to 6,603.48, 9,907.43 and 2,161.35

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Solution

The fourth proportional to 6,603.48, 9,907.43 and 2,161.35 is: 3,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.48 : 9,907.43 = 2,161.35 : x
  2. Step 2: Convert to fraction form
    6,603.48/9,907.43 = 2,161.35/x
  3. Step 3: Cross multiply
    6,603.48x = 9,907.43 × 2,161.35
  4. Step 4: Simplify right side
    6,603.48x = 21,413,413.02
  5. Step 5: Solve for x
    x = 21,413,413.02/6,603.48
  6. Step 6: Final answer
    x = 3,242.75

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1.5x scale

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.