Home / 8,298.21-12,446.63-2,749.74

Finding the Fourth Proportional to 8,298.21, 12,446.63 and 2,749.74

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Solution

The fourth proportional to 8,298.21, 12,446.63 and 2,749.74 is: 4,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.21 : 12,446.63 = 2,749.74 : x
  2. Step 2: Convert to fraction form
    8,298.21/12,446.63 = 2,749.74/x
  3. Step 3: Cross multiply
    8,298.21x = 12,446.63 × 2,749.74
  4. Step 4: Simplify right side
    8,298.21x = 34,225,003.25
  5. Step 5: Solve for x
    x = 34,225,003.25/8,298.21
  6. Step 6: Final answer
    x = 4,124.38

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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.