Home / 8,207.43-12,303.85-3,012.09

Finding the Fourth Proportional to 8,207.43, 12,303.85 and 3,012.09

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Solution

The fourth proportional to 8,207.43, 12,303.85 and 3,012.09 is: 4,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.43 : 12,303.85 = 3,012.09 : x
  2. Step 2: Convert to fraction form
    8,207.43/12,303.85 = 3,012.09/x
  3. Step 3: Cross multiply
    8,207.43x = 12,303.85 × 3,012.09
  4. Step 4: Simplify right side
    8,207.43x = 37,060,255.52
  5. Step 5: Solve for x
    x = 37,060,255.52/8,207.43
  6. Step 6: Final answer
    x = 4,515.45

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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.