Home / 6,108.51-9,155.69-2,814.68

Finding the Fourth Proportional to 6,108.51, 9,155.69 and 2,814.68

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Solution

The fourth proportional to 6,108.51, 9,155.69 and 2,814.68 is: 4,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.51 : 9,155.69 = 2,814.68 : x
  2. Step 2: Convert to fraction form
    6,108.51/9,155.69 = 2,814.68/x
  3. Step 3: Cross multiply
    6,108.51x = 9,155.69 × 2,814.68
  4. Step 4: Simplify right side
    6,108.51x = 25,770,277.68
  5. Step 5: Solve for x
    x = 25,770,277.68/6,108.51
  6. Step 6: Final answer
    x = 4,218.75

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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.