Home / 6,413.01-8,853.64-4,888.61

Finding the Fourth Proportional to 6,413.01, 8,853.64 and 4,888.61

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Solution

The fourth proportional to 6,413.01, 8,853.64 and 4,888.61 is: 6,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.01 : 8,853.64 = 4,888.61 : x
  2. Step 2: Convert to fraction form
    6,413.01/8,853.64 = 4,888.61/x
  3. Step 3: Cross multiply
    6,413.01x = 8,853.64 × 4,888.61
  4. Step 4: Simplify right side
    6,413.01x = 43,281,924.33
  5. Step 5: Solve for x
    x = 43,281,924.33/6,413.01
  6. Step 6: Final answer
    x = 6,749.08

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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.