Home / 8,376.72-11,546.64-6,692.82

Finding the Fourth Proportional to 8,376.72, 11,546.64 and 6,692.82

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Solution

The fourth proportional to 8,376.72, 11,546.64 and 6,692.82 is: 9,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.72 : 11,546.64 = 6,692.82 : x
  2. Step 2: Convert to fraction form
    8,376.72/11,546.64 = 6,692.82/x
  3. Step 3: Cross multiply
    8,376.72x = 11,546.64 × 6,692.82
  4. Step 4: Simplify right side
    8,376.72x = 77,279,583.12
  5. Step 5: Solve for x
    x = 77,279,583.12/8,376.72
  6. Step 6: Final answer
    x = 9,225.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.