Home / 7,102.38-9,799.64-4,268.80

Finding the Fourth Proportional to 7,102.38, 9,799.64 and 4,268.80

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Solution

The fourth proportional to 7,102.38, 9,799.64 and 4,268.80 is: 5,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.38 : 9,799.64 = 4,268.80 : x
  2. Step 2: Convert to fraction form
    7,102.38/9,799.64 = 4,268.80/x
  3. Step 3: Cross multiply
    7,102.38x = 9,799.64 × 4,268.80
  4. Step 4: Simplify right side
    7,102.38x = 41,832,703.23
  5. Step 5: Solve for x
    x = 41,832,703.23/7,102.38
  6. Step 6: Final answer
    x = 5,889.96

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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.