Home / 6,007.78-8,291.73-3,771.55

Finding the Fourth Proportional to 6,007.78, 8,291.73 and 3,771.55

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Solution

The fourth proportional to 6,007.78, 8,291.73 and 3,771.55 is: 5,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,007.78 : 8,291.73 = 3,771.55 : x
  2. Step 2: Convert to fraction form
    6,007.78/8,291.73 = 3,771.55/x
  3. Step 3: Cross multiply
    6,007.78x = 8,291.73 × 3,771.55
  4. Step 4: Simplify right side
    6,007.78x = 31,272,674.28
  5. Step 5: Solve for x
    x = 31,272,674.28/6,007.78
  6. Step 6: Final answer
    x = 5,205.36

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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.