Home / 4,413.93-6,620.90-1,127.03

Finding the Fourth Proportional to 4,413.93, 6,620.90 and 1,127.03

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Solution

The fourth proportional to 4,413.93, 6,620.90 and 1,127.03 is: 1,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.93 : 6,620.90 = 1,127.03 : x
  2. Step 2: Convert to fraction form
    4,413.93/6,620.90 = 1,127.03/x
  3. Step 3: Cross multiply
    4,413.93x = 6,620.90 × 1,127.03
  4. Step 4: Simplify right side
    4,413.93x = 7,461,952.93
  5. Step 5: Solve for x
    x = 7,461,952.93/4,413.93
  6. Step 6: Final answer
    x = 1,690.55

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Double scale
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Similar ratio
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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.