Home / 5,538.12-8,308.58-1,840.36

Finding the Fourth Proportional to 5,538.12, 8,308.58 and 1,840.36

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Solution

The fourth proportional to 5,538.12, 8,308.58 and 1,840.36 is: 2,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.12 : 8,308.58 = 1,840.36 : x
  2. Step 2: Convert to fraction form
    5,538.12/8,308.58 = 1,840.36/x
  3. Step 3: Cross multiply
    5,538.12x = 8,308.58 × 1,840.36
  4. Step 4: Simplify right side
    5,538.12x = 15,290,778.29
  5. Step 5: Solve for x
    x = 15,290,778.29/5,538.12
  6. Step 6: Final answer
    x = 2,761.01

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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.