Home / 4,230.09-6,345.81-2,149.23

Finding the Fourth Proportional to 4,230.09, 6,345.81 and 2,149.23

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Solution

The fourth proportional to 4,230.09, 6,345.81 and 2,149.23 is: 3,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.09 : 6,345.81 = 2,149.23 : x
  2. Step 2: Convert to fraction form
    4,230.09/6,345.81 = 2,149.23/x
  3. Step 3: Cross multiply
    4,230.09x = 6,345.81 × 2,149.23
  4. Step 4: Simplify right side
    4,230.09x = 13,638,629.02
  5. Step 5: Solve for x
    x = 13,638,629.02/4,230.09
  6. Step 6: Final answer
    x = 3,224.19

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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.