Home / 5,260.14-7,885.35-4,278.42

Finding the Fourth Proportional to 5,260.14, 7,885.35 and 4,278.42

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Solution

The fourth proportional to 5,260.14, 7,885.35 and 4,278.42 is: 6,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.14 : 7,885.35 = 4,278.42 : x
  2. Step 2: Convert to fraction form
    5,260.14/7,885.35 = 4,278.42/x
  3. Step 3: Cross multiply
    5,260.14x = 7,885.35 × 4,278.42
  4. Step 4: Simplify right side
    5,260.14x = 33,736,839.15
  5. Step 5: Solve for x
    x = 33,736,839.15/5,260.14
  6. Step 6: Final answer
    x = 6,413.68

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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.