Home / 8,868.94-13,305.34-2,947.64

Finding the Fourth Proportional to 8,868.94, 13,305.34 and 2,947.64

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Solution

The fourth proportional to 8,868.94, 13,305.34 and 2,947.64 is: 4,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.94 : 13,305.34 = 2,947.64 : x
  2. Step 2: Convert to fraction form
    8,868.94/13,305.34 = 2,947.64/x
  3. Step 3: Cross multiply
    8,868.94x = 13,305.34 × 2,947.64
  4. Step 4: Simplify right side
    8,868.94x = 39,219,285.87
  5. Step 5: Solve for x
    x = 39,219,285.87/8,868.94
  6. Step 6: Final answer
    x = 4,422.10

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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.