Home / 8,554.40-12,826.48-3,357.60

Finding the Fourth Proportional to 8,554.40, 12,826.48 and 3,357.60

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Solution

The fourth proportional to 8,554.40, 12,826.48 and 3,357.60 is: 5,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.40 : 12,826.48 = 3,357.60 : x
  2. Step 2: Convert to fraction form
    8,554.40/12,826.48 = 3,357.60/x
  3. Step 3: Cross multiply
    8,554.40x = 12,826.48 × 3,357.60
  4. Step 4: Simplify right side
    8,554.40x = 43,066,189.25
  5. Step 5: Solve for x
    x = 43,066,189.25/8,554.40
  6. Step 6: Final answer
    x = 5,034.39

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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.