Home / 7,670.08-11,495.40-3,282.72

Finding the Fourth Proportional to 7,670.08, 11,495.40 and 3,282.72

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Solution

The fourth proportional to 7,670.08, 11,495.40 and 3,282.72 is: 4,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.08 : 11,495.40 = 3,282.72 : x
  2. Step 2: Convert to fraction form
    7,670.08/11,495.40 = 3,282.72/x
  3. Step 3: Cross multiply
    7,670.08x = 11,495.40 × 3,282.72
  4. Step 4: Simplify right side
    7,670.08x = 37,736,179.49
  5. Step 5: Solve for x
    x = 37,736,179.49/7,670.08
  6. Step 6: Final answer
    x = 4,919.92

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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.