Home / 9,285.80-13,928.55-3,739.01

Finding the Fourth Proportional to 9,285.80, 13,928.55 and 3,739.01

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Solution

The fourth proportional to 9,285.80, 13,928.55 and 3,739.01 is: 5,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.80 : 13,928.55 = 3,739.01 : x
  2. Step 2: Convert to fraction form
    9,285.80/13,928.55 = 3,739.01/x
  3. Step 3: Cross multiply
    9,285.80x = 13,928.55 × 3,739.01
  4. Step 4: Simplify right side
    9,285.80x = 52,079,000.82
  5. Step 5: Solve for x
    x = 52,079,000.82/9,285.80
  6. Step 6: Final answer
    x = 5,608.46

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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.