Home / 8,373.36-12,563.28-3,178.02

Finding the Fourth Proportional to 8,373.36, 12,563.28 and 3,178.02

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Solution

The fourth proportional to 8,373.36, 12,563.28 and 3,178.02 is: 4,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.36 : 12,563.28 = 3,178.02 : x
  2. Step 2: Convert to fraction form
    8,373.36/12,563.28 = 3,178.02/x
  3. Step 3: Cross multiply
    8,373.36x = 12,563.28 × 3,178.02
  4. Step 4: Simplify right side
    8,373.36x = 39,926,355.11
  5. Step 5: Solve for x
    x = 39,926,355.11/8,373.36
  6. Step 6: Final answer
    x = 4,768.26

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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.