Home / 8,028.12-12,042.24-4,130.40

Finding the Fourth Proportional to 8,028.12, 12,042.24 and 4,130.40

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Solution

The fourth proportional to 8,028.12, 12,042.24 and 4,130.40 is: 6,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.12 : 12,042.24 = 4,130.40 : x
  2. Step 2: Convert to fraction form
    8,028.12/12,042.24 = 4,130.40/x
  3. Step 3: Cross multiply
    8,028.12x = 12,042.24 × 4,130.40
  4. Step 4: Simplify right side
    8,028.12x = 49,739,268.10
  5. Step 5: Solve for x
    x = 49,739,268.10/8,028.12
  6. Step 6: Final answer
    x = 6,195.63

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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.