Home / 4,278.09-6,413.01-1,354.39

Finding the Fourth Proportional to 4,278.09, 6,413.01 and 1,354.39

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Solution

The fourth proportional to 4,278.09, 6,413.01 and 1,354.39 is: 2,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.09 : 6,413.01 = 1,354.39 : x
  2. Step 2: Convert to fraction form
    4,278.09/6,413.01 = 1,354.39/x
  3. Step 3: Cross multiply
    4,278.09x = 6,413.01 × 1,354.39
  4. Step 4: Simplify right side
    4,278.09x = 8,685,716.61
  5. Step 5: Solve for x
    x = 8,685,716.61/4,278.09
  6. Step 6: Final answer
    x = 2,030.28

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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.