Home / 6,823.49-9,413.35-4,170.40

Finding the Fourth Proportional to 6,823.49, 9,413.35 and 4,170.40

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Solution

The fourth proportional to 6,823.49, 9,413.35 and 4,170.40 is: 5,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.49 : 9,413.35 = 4,170.40 : x
  2. Step 2: Convert to fraction form
    6,823.49/9,413.35 = 4,170.40/x
  3. Step 3: Cross multiply
    6,823.49x = 9,413.35 × 4,170.40
  4. Step 4: Simplify right side
    6,823.49x = 39,257,434.84
  5. Step 5: Solve for x
    x = 39,257,434.84/6,823.49
  6. Step 6: Final answer
    x = 5,753.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.