Home / 8,958.78-13,417.67-4,282.07

Finding the Fourth Proportional to 8,958.78, 13,417.67 and 4,282.07

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Solution

The fourth proportional to 8,958.78, 13,417.67 and 4,282.07 is: 6,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.78 : 13,417.67 = 4,282.07 : x
  2. Step 2: Convert to fraction form
    8,958.78/13,417.67 = 4,282.07/x
  3. Step 3: Cross multiply
    8,958.78x = 13,417.67 × 4,282.07
  4. Step 4: Simplify right side
    8,958.78x = 57,455,313.68
  5. Step 5: Solve for x
    x = 57,455,313.68/8,958.78
  6. Step 6: Final answer
    x = 6,413.30

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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.