Home / 6,859.91-9,466.58-3,876.71

Finding the Fourth Proportional to 6,859.91, 9,466.58 and 3,876.71

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Solution

The fourth proportional to 6,859.91, 9,466.58 and 3,876.71 is: 5,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.91 : 9,466.58 = 3,876.71 : x
  2. Step 2: Convert to fraction form
    6,859.91/9,466.58 = 3,876.71/x
  3. Step 3: Cross multiply
    6,859.91x = 9,466.58 × 3,876.71
  4. Step 4: Simplify right side
    6,859.91x = 36,699,147.71
  5. Step 5: Solve for x
    x = 36,699,147.71/6,859.91
  6. Step 6: Final answer
    x = 5,349.80

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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.