Home / 8,886.09-13,326.44-3,690.75

Finding the Fourth Proportional to 8,886.09, 13,326.44 and 3,690.75

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Solution

The fourth proportional to 8,886.09, 13,326.44 and 3,690.75 is: 5,535.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.09 : 13,326.44 = 3,690.75 : x
  2. Step 2: Convert to fraction form
    8,886.09/13,326.44 = 3,690.75/x
  3. Step 3: Cross multiply
    8,886.09x = 13,326.44 × 3,690.75
  4. Step 4: Simplify right side
    8,886.09x = 49,184,539.98
  5. Step 5: Solve for x
    x = 49,184,539.98/8,886.09
  6. Step 6: Final answer
    x = 5,535.00

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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.