Home / 6,860.16-9,466.45-3,876.25

Finding the Fourth Proportional to 6,860.16, 9,466.45 and 3,876.25

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Solution

The fourth proportional to 6,860.16, 9,466.45 and 3,876.25 is: 5,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.16 : 9,466.45 = 3,876.25 : x
  2. Step 2: Convert to fraction form
    6,860.16/9,466.45 = 3,876.25/x
  3. Step 3: Cross multiply
    6,860.16x = 9,466.45 × 3,876.25
  4. Step 4: Simplify right side
    6,860.16x = 36,694,326.81
  5. Step 5: Solve for x
    x = 36,694,326.81/6,860.16
  6. Step 6: Final answer
    x = 5,348.90

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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.