Home / 9,268.80-12,790.95-5,019.87

Finding the Fourth Proportional to 9,268.80, 12,790.95 and 5,019.87

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Solution

The fourth proportional to 9,268.80, 12,790.95 and 5,019.87 is: 6,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.80 : 12,790.95 = 5,019.87 : x
  2. Step 2: Convert to fraction form
    9,268.80/12,790.95 = 5,019.87/x
  3. Step 3: Cross multiply
    9,268.80x = 12,790.95 × 5,019.87
  4. Step 4: Simplify right side
    9,268.80x = 64,208,867.62
  5. Step 5: Solve for x
    x = 64,208,867.62/9,268.80
  6. Step 6: Final answer
    x = 6,927.42

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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.