Home / 9,285.98-13,929.60-3,739.36

Finding the Fourth Proportional to 9,285.98, 13,929.60 and 3,739.36

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Solution

The fourth proportional to 9,285.98, 13,929.60 and 3,739.36 is: 5,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.98 : 13,929.60 = 3,739.36 : x
  2. Step 2: Convert to fraction form
    9,285.98/13,929.60 = 3,739.36/x
  3. Step 3: Cross multiply
    9,285.98x = 13,929.60 × 3,739.36
  4. Step 4: Simplify right side
    9,285.98x = 52,087,789.06
  5. Step 5: Solve for x
    x = 52,087,789.06/9,285.98
  6. Step 6: Final answer
    x = 5,609.29

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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.