Home / 8,013.01-12,019.38-2,818.75

Finding the Fourth Proportional to 8,013.01, 12,019.38 and 2,818.75

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Solution

The fourth proportional to 8,013.01, 12,019.38 and 2,818.75 is: 4,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.01 : 12,019.38 = 2,818.75 : x
  2. Step 2: Convert to fraction form
    8,013.01/12,019.38 = 2,818.75/x
  3. Step 3: Cross multiply
    8,013.01x = 12,019.38 × 2,818.75
  4. Step 4: Simplify right side
    8,013.01x = 33,879,627.38
  5. Step 5: Solve for x
    x = 33,879,627.38/8,013.01
  6. Step 6: Final answer
    x = 4,228.08

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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.