Home / 9,504.40-13,115.88-5,779.60

Finding the Fourth Proportional to 9,504.40, 13,115.88 and 5,779.60

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Solution

The fourth proportional to 9,504.40, 13,115.88 and 5,779.60 is: 7,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.40 : 13,115.88 = 5,779.60 : x
  2. Step 2: Convert to fraction form
    9,504.40/13,115.88 = 5,779.60/x
  3. Step 3: Cross multiply
    9,504.40x = 13,115.88 × 5,779.60
  4. Step 4: Simplify right side
    9,504.40x = 75,804,540.05
  5. Step 5: Solve for x
    x = 75,804,540.05/9,504.40
  6. Step 6: Final answer
    x = 7,975.73

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1.5x scale

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.