Home / 7,729.02-11,588.67-4,268.70

Finding the Fourth Proportional to 7,729.02, 11,588.67 and 4,268.70

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Solution

The fourth proportional to 7,729.02, 11,588.67 and 4,268.70 is: 6,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.02 : 11,588.67 = 4,268.70 : x
  2. Step 2: Convert to fraction form
    7,729.02/11,588.67 = 4,268.70/x
  3. Step 3: Cross multiply
    7,729.02x = 11,588.67 × 4,268.70
  4. Step 4: Simplify right side
    7,729.02x = 49,468,555.63
  5. Step 5: Solve for x
    x = 49,468,555.63/7,729.02
  6. Step 6: Final answer
    x = 6,400.37

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1.5x scale

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.