Home / 7,835.58-11,756.32-4,717.78

Finding the Fourth Proportional to 7,835.58, 11,756.32 and 4,717.78

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Solution

The fourth proportional to 7,835.58, 11,756.32 and 4,717.78 is: 7,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.58 : 11,756.32 = 4,717.78 : x
  2. Step 2: Convert to fraction form
    7,835.58/11,756.32 = 4,717.78/x
  3. Step 3: Cross multiply
    7,835.58x = 11,756.32 × 4,717.78
  4. Step 4: Simplify right side
    7,835.58x = 55,463,731.37
  5. Step 5: Solve for x
    x = 55,463,731.37/7,835.58
  6. Step 6: Final answer
    x = 7,078.45

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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.