Home / 5,089.56-7,021.26-2,992.20

Finding the Fourth Proportional to 5,089.56, 7,021.26 and 2,992.20

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Solution

The fourth proportional to 5,089.56, 7,021.26 and 2,992.20 is: 4,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.56 : 7,021.26 = 2,992.20 : x
  2. Step 2: Convert to fraction form
    5,089.56/7,021.26 = 2,992.20/x
  3. Step 3: Cross multiply
    5,089.56x = 7,021.26 × 2,992.20
  4. Step 4: Simplify right side
    5,089.56x = 21,009,014.17
  5. Step 5: Solve for x
    x = 21,009,014.17/5,089.56
  6. Step 6: Final answer
    x = 4,127.86

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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.