Home / 5,217.89-7,826.00-1,930.23

Finding the Fourth Proportional to 5,217.89, 7,826.00 and 1,930.23

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Solution

The fourth proportional to 5,217.89, 7,826.00 and 1,930.23 is: 2,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.89 : 7,826.00 = 1,930.23 : x
  2. Step 2: Convert to fraction form
    5,217.89/7,826.00 = 1,930.23/x
  3. Step 3: Cross multiply
    5,217.89x = 7,826.00 × 1,930.23
  4. Step 4: Simplify right side
    5,217.89x = 15,105,970.33
  5. Step 5: Solve for x
    x = 15,105,970.33/5,217.89
  6. Step 6: Final answer
    x = 2,895.04

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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.