Home / 7,811.26-10,779.50-4,274.44

Finding the Fourth Proportional to 7,811.26, 10,779.50 and 4,274.44

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Solution

The fourth proportional to 7,811.26, 10,779.50 and 4,274.44 is: 5,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.26 : 10,779.50 = 4,274.44 : x
  2. Step 2: Convert to fraction form
    7,811.26/10,779.50 = 4,274.44/x
  3. Step 3: Cross multiply
    7,811.26x = 10,779.50 × 4,274.44
  4. Step 4: Simplify right side
    7,811.26x = 46,076,325.98
  5. Step 5: Solve for x
    x = 46,076,325.98/7,811.26
  6. Step 6: Final answer
    x = 5,898.71

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1.5x scale

Why These Related Problems?

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