Home / 8,178.84-12,250.38-6,325.08

Finding the Fourth Proportional to 8,178.84, 12,250.38 and 6,325.08

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Solution

The fourth proportional to 8,178.84, 12,250.38 and 6,325.08 is: 9,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.84 : 12,250.38 = 6,325.08 : x
  2. Step 2: Convert to fraction form
    8,178.84/12,250.38 = 6,325.08/x
  3. Step 3: Cross multiply
    8,178.84x = 12,250.38 × 6,325.08
  4. Step 4: Simplify right side
    8,178.84x = 77,484,633.53
  5. Step 5: Solve for x
    x = 77,484,633.53/8,178.84
  6. Step 6: Final answer
    x = 9,473.79

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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.