Home / 4,971.94-6,861.72-2,848.15

Finding the Fourth Proportional to 4,971.94, 6,861.72 and 2,848.15

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Solution

The fourth proportional to 4,971.94, 6,861.72 and 2,848.15 is: 3,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.94 : 6,861.72 = 2,848.15 : x
  2. Step 2: Convert to fraction form
    4,971.94/6,861.72 = 2,848.15/x
  3. Step 3: Cross multiply
    4,971.94x = 6,861.72 × 2,848.15
  4. Step 4: Simplify right side
    4,971.94x = 19,543,227.08
  5. Step 5: Solve for x
    x = 19,543,227.08/4,971.94
  6. Step 6: Final answer
    x = 3,930.71

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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.