Home / 8,030.20-12,048.90-3,645.40

Finding the Fourth Proportional to 8,030.20, 12,048.90 and 3,645.40

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Solution

The fourth proportional to 8,030.20, 12,048.90 and 3,645.40 is: 5,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.20 : 12,048.90 = 3,645.40 : x
  2. Step 2: Convert to fraction form
    8,030.20/12,048.90 = 3,645.40/x
  3. Step 3: Cross multiply
    8,030.20x = 12,048.90 × 3,645.40
  4. Step 4: Simplify right side
    8,030.20x = 43,923,060.06
  5. Step 5: Solve for x
    x = 43,923,060.06/8,030.20
  6. Step 6: Final answer
    x = 5,469.73

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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.