Home / 4,972.54-6,861.78-2,876.50

Finding the Fourth Proportional to 4,972.54, 6,861.78 and 2,876.50

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Solution

The fourth proportional to 4,972.54, 6,861.78 and 2,876.50 is: 3,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.54 : 6,861.78 = 2,876.50 : x
  2. Step 2: Convert to fraction form
    4,972.54/6,861.78 = 2,876.50/x
  3. Step 3: Cross multiply
    4,972.54x = 6,861.78 × 2,876.50
  4. Step 4: Simplify right side
    4,972.54x = 19,737,910.17
  5. Step 5: Solve for x
    x = 19,737,910.17/4,972.54
  6. Step 6: Final answer
    x = 3,969.38

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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.