Home / 6,859.31-9,466.74-3,876.08

Finding the Fourth Proportional to 6,859.31, 9,466.74 and 3,876.08

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Solution

The fourth proportional to 6,859.31, 9,466.74 and 3,876.08 is: 5,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.31 : 9,466.74 = 3,876.08 : x
  2. Step 2: Convert to fraction form
    6,859.31/9,466.74 = 3,876.08/x
  3. Step 3: Cross multiply
    6,859.31x = 9,466.74 × 3,876.08
  4. Step 4: Simplify right side
    6,859.31x = 36,693,794.25
  5. Step 5: Solve for x
    x = 36,693,794.25/6,859.31
  6. Step 6: Final answer
    x = 5,349.49

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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.