Home / 4,970.14-7,450.57-1,680.94

Finding the Fourth Proportional to 4,970.14, 7,450.57 and 1,680.94

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Solution

The fourth proportional to 4,970.14, 7,450.57 and 1,680.94 is: 2,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.14 : 7,450.57 = 1,680.94 : x
  2. Step 2: Convert to fraction form
    4,970.14/7,450.57 = 1,680.94/x
  3. Step 3: Cross multiply
    4,970.14x = 7,450.57 × 1,680.94
  4. Step 4: Simplify right side
    4,970.14x = 12,523,947.62
  5. Step 5: Solve for x
    x = 12,523,947.62/4,970.14
  6. Step 6: Final answer
    x = 2,519.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.