Home / 8,563.28-12,845.78-2,323.40

Finding the Fourth Proportional to 8,563.28, 12,845.78 and 2,323.40

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Solution

The fourth proportional to 8,563.28, 12,845.78 and 2,323.40 is: 3,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.28 : 12,845.78 = 2,323.40 : x
  2. Step 2: Convert to fraction form
    8,563.28/12,845.78 = 2,323.40/x
  3. Step 3: Cross multiply
    8,563.28x = 12,845.78 × 2,323.40
  4. Step 4: Simplify right side
    8,563.28x = 29,845,809.41
  5. Step 5: Solve for x
    x = 29,845,809.41/8,563.28
  6. Step 6: Final answer
    x = 3,485.32

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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.