Home / 5,346.06-8,021.25-2,421.42

Finding the Fourth Proportional to 5,346.06, 8,021.25 and 2,421.42

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Solution

The fourth proportional to 5,346.06, 8,021.25 and 2,421.42 is: 3,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.06 : 8,021.25 = 2,421.42 : x
  2. Step 2: Convert to fraction form
    5,346.06/8,021.25 = 2,421.42/x
  3. Step 3: Cross multiply
    5,346.06x = 8,021.25 × 2,421.42
  4. Step 4: Simplify right side
    5,346.06x = 19,422,815.18
  5. Step 5: Solve for x
    x = 19,422,815.18/5,346.06
  6. Step 6: Final answer
    x = 3,633.11

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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.