Home / 6,679.07-10,019.51-2,782.56

Finding the Fourth Proportional to 6,679.07, 10,019.51 and 2,782.56

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Solution

The fourth proportional to 6,679.07, 10,019.51 and 2,782.56 is: 4,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.07 : 10,019.51 = 2,782.56 : x
  2. Step 2: Convert to fraction form
    6,679.07/10,019.51 = 2,782.56/x
  3. Step 3: Cross multiply
    6,679.07x = 10,019.51 × 2,782.56
  4. Step 4: Simplify right side
    6,679.07x = 27,879,887.75
  5. Step 5: Solve for x
    x = 27,879,887.75/6,679.07
  6. Step 6: Final answer
    x = 4,174.22

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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.