Home / 5,538.59-7,643.37-3,300.89

Finding the Fourth Proportional to 5,538.59, 7,643.37 and 3,300.89

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Solution

The fourth proportional to 5,538.59, 7,643.37 and 3,300.89 is: 4,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.59 : 7,643.37 = 3,300.89 : x
  2. Step 2: Convert to fraction form
    5,538.59/7,643.37 = 3,300.89/x
  3. Step 3: Cross multiply
    5,538.59x = 7,643.37 × 3,300.89
  4. Step 4: Simplify right side
    5,538.59x = 25,229,923.60
  5. Step 5: Solve for x
    x = 25,229,923.60/5,538.59
  6. Step 6: Final answer
    x = 4,555.30

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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.