Home / 4,813.17-7,216.79-1,890.15

Finding the Fourth Proportional to 4,813.17, 7,216.79 and 1,890.15

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Solution

The fourth proportional to 4,813.17, 7,216.79 and 1,890.15 is: 2,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.17 : 7,216.79 = 1,890.15 : x
  2. Step 2: Convert to fraction form
    4,813.17/7,216.79 = 1,890.15/x
  3. Step 3: Cross multiply
    4,813.17x = 7,216.79 × 1,890.15
  4. Step 4: Simplify right side
    4,813.17x = 13,640,806.17
  5. Step 5: Solve for x
    x = 13,640,806.17/4,813.17
  6. Step 6: Final answer
    x = 2,834.06

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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.