Home / 8,224.80-12,339.36-3,030.72

Finding the Fourth Proportional to 8,224.80, 12,339.36 and 3,030.72

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Solution

The fourth proportional to 8,224.80, 12,339.36 and 3,030.72 is: 4,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.80 : 12,339.36 = 3,030.72 : x
  2. Step 2: Convert to fraction form
    8,224.80/12,339.36 = 3,030.72/x
  3. Step 3: Cross multiply
    8,224.80x = 12,339.36 × 3,030.72
  4. Step 4: Simplify right side
    8,224.80x = 37,397,145.14
  5. Step 5: Solve for x
    x = 37,397,145.14/8,224.80
  6. Step 6: Final answer
    x = 4,546.88

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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.