Home / 4,890.85-7,338.44-1,974.85

Finding the Fourth Proportional to 4,890.85, 7,338.44 and 1,974.85

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Solution

The fourth proportional to 4,890.85, 7,338.44 and 1,974.85 is: 2,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.85 : 7,338.44 = 1,974.85 : x
  2. Step 2: Convert to fraction form
    4,890.85/7,338.44 = 1,974.85/x
  3. Step 3: Cross multiply
    4,890.85x = 7,338.44 × 1,974.85
  4. Step 4: Simplify right side
    4,890.85x = 14,492,318.23
  5. Step 5: Solve for x
    x = 14,492,318.23/4,890.85
  6. Step 6: Final answer
    x = 2,963.15

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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.