Home / 4,089.51-5,645.22-2,765.01

Finding the Fourth Proportional to 4,089.51, 5,645.22 and 2,765.01

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Solution

The fourth proportional to 4,089.51, 5,645.22 and 2,765.01 is: 3,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.51 : 5,645.22 = 2,765.01 : x
  2. Step 2: Convert to fraction form
    4,089.51/5,645.22 = 2,765.01/x
  3. Step 3: Cross multiply
    4,089.51x = 5,645.22 × 2,765.01
  4. Step 4: Simplify right side
    4,089.51x = 15,609,089.75
  5. Step 5: Solve for x
    x = 15,609,089.75/4,089.51
  6. Step 6: Final answer
    x = 3,816.86

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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.