Home / 8,946.40-13,420.96-3,101.44

Finding the Fourth Proportional to 8,946.40, 13,420.96 and 3,101.44

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Solution

The fourth proportional to 8,946.40, 13,420.96 and 3,101.44 is: 4,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.40 : 13,420.96 = 3,101.44 : x
  2. Step 2: Convert to fraction form
    8,946.40/13,420.96 = 3,101.44/x
  3. Step 3: Cross multiply
    8,946.40x = 13,420.96 × 3,101.44
  4. Step 4: Simplify right side
    8,946.40x = 41,624,302.18
  5. Step 5: Solve for x
    x = 41,624,302.18/8,946.40
  6. Step 6: Final answer
    x = 4,652.63

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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.