Home / 5,538.24-8,308.73-1,642.65

Finding the Fourth Proportional to 5,538.24, 8,308.73 and 1,642.65

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Solution

The fourth proportional to 5,538.24, 8,308.73 and 1,642.65 is: 2,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.24 : 8,308.73 = 1,642.65 : x
  2. Step 2: Convert to fraction form
    5,538.24/8,308.73 = 1,642.65/x
  3. Step 3: Cross multiply
    5,538.24x = 8,308.73 × 1,642.65
  4. Step 4: Simplify right side
    5,538.24x = 13,648,335.33
  5. Step 5: Solve for x
    x = 13,648,335.33/5,538.24
  6. Step 6: Final answer
    x = 2,464.38

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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.