Home / 8,845.70-13,273.20-3,918.74

Finding the Fourth Proportional to 8,845.70, 13,273.20 and 3,918.74

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Solution

The fourth proportional to 8,845.70, 13,273.20 and 3,918.74 is: 5,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.70 : 13,273.20 = 3,918.74 : x
  2. Step 2: Convert to fraction form
    8,845.70/13,273.20 = 3,918.74/x
  3. Step 3: Cross multiply
    8,845.70x = 13,273.20 × 3,918.74
  4. Step 4: Simplify right side
    8,845.70x = 52,014,153.40
  5. Step 5: Solve for x
    x = 52,014,153.40/8,845.70
  6. Step 6: Final answer
    x = 5,880.17

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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.