Home / 7,902.72-10,905.75-4,365.90

Finding the Fourth Proportional to 7,902.72, 10,905.75 and 4,365.90

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Solution

The fourth proportional to 7,902.72, 10,905.75 and 4,365.90 is: 6,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.72 : 10,905.75 = 4,365.90 : x
  2. Step 2: Convert to fraction form
    7,902.72/10,905.75 = 4,365.90/x
  3. Step 3: Cross multiply
    7,902.72x = 10,905.75 × 4,365.90
  4. Step 4: Simplify right side
    7,902.72x = 47,613,413.93
  5. Step 5: Solve for x
    x = 47,613,413.93/7,902.72
  6. Step 6: Final answer
    x = 6,024.94

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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.