Home / 6,860.41-9,466.80-3,876.50

Finding the Fourth Proportional to 6,860.41, 9,466.80 and 3,876.50

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Solution

The fourth proportional to 6,860.41, 9,466.80 and 3,876.50 is: 5,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.41 : 9,466.80 = 3,876.50 : x
  2. Step 2: Convert to fraction form
    6,860.41/9,466.80 = 3,876.50/x
  3. Step 3: Cross multiply
    6,860.41x = 9,466.80 × 3,876.50
  4. Step 4: Simplify right side
    6,860.41x = 36,698,050.20
  5. Step 5: Solve for x
    x = 36,698,050.20/6,860.41
  6. Step 6: Final answer
    x = 5,349.25

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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.