Home / 7,767.36-11,639.60-4,836.72

Finding the Fourth Proportional to 7,767.36, 11,639.60 and 4,836.72

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Solution

The fourth proportional to 7,767.36, 11,639.60 and 4,836.72 is: 7,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.36 : 11,639.60 = 4,836.72 : x
  2. Step 2: Convert to fraction form
    7,767.36/11,639.60 = 4,836.72/x
  3. Step 3: Cross multiply
    7,767.36x = 11,639.60 × 4,836.72
  4. Step 4: Simplify right side
    7,767.36x = 56,297,486.11
  5. Step 5: Solve for x
    x = 56,297,486.11/7,767.36
  6. Step 6: Final answer
    x = 7,247.96

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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.