Home / 8,941.79-13,415.12-3,098.86

Finding the Fourth Proportional to 8,941.79, 13,415.12 and 3,098.86

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Solution

The fourth proportional to 8,941.79, 13,415.12 and 3,098.86 is: 4,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.79 : 13,415.12 = 3,098.86 : x
  2. Step 2: Convert to fraction form
    8,941.79/13,415.12 = 3,098.86/x
  3. Step 3: Cross multiply
    8,941.79x = 13,415.12 × 3,098.86
  4. Step 4: Simplify right side
    8,941.79x = 41,571,541.35
  5. Step 5: Solve for x
    x = 41,571,541.35/8,941.79
  6. Step 6: Final answer
    x = 4,649.13

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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.