Home / 5,219.68-7,829.52-1,928.94

Finding the Fourth Proportional to 5,219.68, 7,829.52 and 1,928.94

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Solution

The fourth proportional to 5,219.68, 7,829.52 and 1,928.94 is: 2,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.68 : 7,829.52 = 1,928.94 : x
  2. Step 2: Convert to fraction form
    5,219.68/7,829.52 = 1,928.94/x
  3. Step 3: Cross multiply
    5,219.68x = 7,829.52 × 1,928.94
  4. Step 4: Simplify right side
    5,219.68x = 15,102,674.31
  5. Step 5: Solve for x
    x = 15,102,674.31/5,219.68
  6. Step 6: Final answer
    x = 2,893.41

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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.