Home / 7,813.41-10,782.60-4,276.68

Finding the Fourth Proportional to 7,813.41, 10,782.60 and 4,276.68

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Solution

The fourth proportional to 7,813.41, 10,782.60 and 4,276.68 is: 5,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.41 : 10,782.60 = 4,276.68 : x
  2. Step 2: Convert to fraction form
    7,813.41/10,782.60 = 4,276.68/x
  3. Step 3: Cross multiply
    7,813.41x = 10,782.60 × 4,276.68
  4. Step 4: Simplify right side
    7,813.41x = 46,113,729.77
  5. Step 5: Solve for x
    x = 46,113,729.77/7,813.41
  6. Step 6: Final answer
    x = 5,901.87

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