Home / 6,814.90-9,404.53-4,161.79

Finding the Fourth Proportional to 6,814.90, 9,404.53 and 4,161.79

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Solution

The fourth proportional to 6,814.90, 9,404.53 and 4,161.79 is: 5,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.90 : 9,404.53 = 4,161.79 : x
  2. Step 2: Convert to fraction form
    6,814.90/9,404.53 = 4,161.79/x
  3. Step 3: Cross multiply
    6,814.90x = 9,404.53 × 4,161.79
  4. Step 4: Simplify right side
    6,814.90x = 39,139,678.91
  5. Step 5: Solve for x
    x = 39,139,678.91/6,814.90
  6. Step 6: Final answer
    x = 5,743.25

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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.