Home / 4,420.91-6,629.63-1,609.08

Finding the Fourth Proportional to 4,420.91, 6,629.63 and 1,609.08

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Solution

The fourth proportional to 4,420.91, 6,629.63 and 1,609.08 is: 2,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.91 : 6,629.63 = 1,609.08 : x
  2. Step 2: Convert to fraction form
    4,420.91/6,629.63 = 1,609.08/x
  3. Step 3: Cross multiply
    4,420.91x = 6,629.63 × 1,609.08
  4. Step 4: Simplify right side
    4,420.91x = 10,667,572.13
  5. Step 5: Solve for x
    x = 10,667,572.13/4,420.91
  6. Step 6: Final answer
    x = 2,412.98

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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.