Home / 5,629.61-8,449.70-2,858.27

Finding the Fourth Proportional to 5,629.61, 8,449.70 and 2,858.27

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Solution

The fourth proportional to 5,629.61, 8,449.70 and 2,858.27 is: 4,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.61 : 8,449.70 = 2,858.27 : x
  2. Step 2: Convert to fraction form
    5,629.61/8,449.70 = 2,858.27/x
  3. Step 3: Cross multiply
    5,629.61x = 8,449.70 × 2,858.27
  4. Step 4: Simplify right side
    5,629.61x = 24,151,467.48
  5. Step 5: Solve for x
    x = 24,151,467.48/5,629.61
  6. Step 6: Final answer
    x = 4,290.08

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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.