Home / 8,148.79-12,221.83-2,303.97

Finding the Fourth Proportional to 8,148.79, 12,221.83 and 2,303.97

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Solution

The fourth proportional to 8,148.79, 12,221.83 and 2,303.97 is: 3,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.79 : 12,221.83 = 2,303.97 : x
  2. Step 2: Convert to fraction form
    8,148.79/12,221.83 = 2,303.97/x
  3. Step 3: Cross multiply
    8,148.79x = 12,221.83 × 2,303.97
  4. Step 4: Simplify right side
    8,148.79x = 28,158,729.67
  5. Step 5: Solve for x
    x = 28,158,729.67/8,148.79
  6. Step 6: Final answer
    x = 3,455.57

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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.