Home / 6,603.75-9,903.54-2,220.18

Finding the Fourth Proportional to 6,603.75, 9,903.54 and 2,220.18

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Solution

The fourth proportional to 6,603.75, 9,903.54 and 2,220.18 is: 3,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.75 : 9,903.54 = 2,220.18 : x
  2. Step 2: Convert to fraction form
    6,603.75/9,903.54 = 2,220.18/x
  3. Step 3: Cross multiply
    6,603.75x = 9,903.54 × 2,220.18
  4. Step 4: Simplify right side
    6,603.75x = 21,987,641.44
  5. Step 5: Solve for x
    x = 21,987,641.44/6,603.75
  6. Step 6: Final answer
    x = 3,329.57

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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.