Home / 5,127.12-7,693.61-2,165.36

Finding the Fourth Proportional to 5,127.12, 7,693.61 and 2,165.36

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Solution

The fourth proportional to 5,127.12, 7,693.61 and 2,165.36 is: 3,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.12 : 7,693.61 = 2,165.36 : x
  2. Step 2: Convert to fraction form
    5,127.12/7,693.61 = 2,165.36/x
  3. Step 3: Cross multiply
    5,127.12x = 7,693.61 × 2,165.36
  4. Step 4: Simplify right side
    5,127.12x = 16,659,386.05
  5. Step 5: Solve for x
    x = 16,659,386.05/5,127.12
  6. Step 6: Final answer
    x = 3,249.27

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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.