Home / 5,428.07-7,486.70-3,514.37

Finding the Fourth Proportional to 5,428.07, 7,486.70 and 3,514.37

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Solution

The fourth proportional to 5,428.07, 7,486.70 and 3,514.37 is: 4,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.07 : 7,486.70 = 3,514.37 : x
  2. Step 2: Convert to fraction form
    5,428.07/7,486.70 = 3,514.37/x
  3. Step 3: Cross multiply
    5,428.07x = 7,486.70 × 3,514.37
  4. Step 4: Simplify right side
    5,428.07x = 26,310,978.87
  5. Step 5: Solve for x
    x = 26,310,978.87/5,428.07
  6. Step 6: Final answer
    x = 4,847.21

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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.