Home / 8,221.41-12,336.98-3,030.93

Finding the Fourth Proportional to 8,221.41, 12,336.98 and 3,030.93

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Solution

The fourth proportional to 8,221.41, 12,336.98 and 3,030.93 is: 4,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.41 : 12,336.98 = 3,030.93 : x
  2. Step 2: Convert to fraction form
    8,221.41/12,336.98 = 3,030.93/x
  3. Step 3: Cross multiply
    8,221.41x = 12,336.98 × 3,030.93
  4. Step 4: Simplify right side
    8,221.41x = 37,392,507.64
  5. Step 5: Solve for x
    x = 37,392,507.64/8,221.41
  6. Step 6: Final answer
    x = 4,548.19

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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.