Home / 7,770.45-10,723.52-4,413.57

Finding the Fourth Proportional to 7,770.45, 10,723.52 and 4,413.57

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Solution

The fourth proportional to 7,770.45, 10,723.52 and 4,413.57 is: 6,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.45 : 10,723.52 = 4,413.57 : x
  2. Step 2: Convert to fraction form
    7,770.45/10,723.52 = 4,413.57/x
  3. Step 3: Cross multiply
    7,770.45x = 10,723.52 × 4,413.57
  4. Step 4: Simplify right side
    7,770.45x = 47,328,984.10
  5. Step 5: Solve for x
    x = 47,328,984.10/7,770.45
  6. Step 6: Final answer
    x = 6,090.89

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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.