Home / 9,326.30-13,989.48-3,779.75

Finding the Fourth Proportional to 9,326.30, 13,989.48 and 3,779.75

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Solution

The fourth proportional to 9,326.30, 13,989.48 and 3,779.75 is: 5,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.30 : 13,989.48 = 3,779.75 : x
  2. Step 2: Convert to fraction form
    9,326.30/13,989.48 = 3,779.75/x
  3. Step 3: Cross multiply
    9,326.30x = 13,989.48 × 3,779.75
  4. Step 4: Simplify right side
    9,326.30x = 52,876,667.08
  5. Step 5: Solve for x
    x = 52,876,667.08/9,326.30
  6. Step 6: Final answer
    x = 5,669.63

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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.