Home / 7,883.64-11,819.52-4,762.98

Finding the Fourth Proportional to 7,883.64, 11,819.52 and 4,762.98

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Solution

The fourth proportional to 7,883.64, 11,819.52 and 4,762.98 is: 7,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.64 : 11,819.52 = 4,762.98 : x
  2. Step 2: Convert to fraction form
    7,883.64/11,819.52 = 4,762.98/x
  3. Step 3: Cross multiply
    7,883.64x = 11,819.52 × 4,762.98
  4. Step 4: Simplify right side
    7,883.64x = 56,296,137.37
  5. Step 5: Solve for x
    x = 56,296,137.37/7,883.64
  6. Step 6: Final answer
    x = 7,140.88

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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.