Home / 4,413.32-6,620.03-1,126.44

Finding the Fourth Proportional to 4,413.32, 6,620.03 and 1,126.44

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Solution

The fourth proportional to 4,413.32, 6,620.03 and 1,126.44 is: 1,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.32 : 6,620.03 = 1,126.44 : x
  2. Step 2: Convert to fraction form
    4,413.32/6,620.03 = 1,126.44/x
  3. Step 3: Cross multiply
    4,413.32x = 6,620.03 × 1,126.44
  4. Step 4: Simplify right side
    4,413.32x = 7,457,066.59
  5. Step 5: Solve for x
    x = 7,457,066.59/4,413.32
  6. Step 6: Final answer
    x = 1,689.67

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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.