Home / 4,413.74-6,620.61-1,126.84

Finding the Fourth Proportional to 4,413.74, 6,620.61 and 1,126.84

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Solution

The fourth proportional to 4,413.74, 6,620.61 and 1,126.84 is: 1,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.74 : 6,620.61 = 1,126.84 : x
  2. Step 2: Convert to fraction form
    4,413.74/6,620.61 = 1,126.84/x
  3. Step 3: Cross multiply
    4,413.74x = 6,620.61 × 1,126.84
  4. Step 4: Simplify right side
    4,413.74x = 7,460,332.25
  5. Step 5: Solve for x
    x = 7,460,332.25/4,413.74
  6. Step 6: Final answer
    x = 1,690.25

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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.