Home / 5,429.92-7,492.43-3,193.70

Finding the Fourth Proportional to 5,429.92, 7,492.43 and 3,193.70

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Solution

The fourth proportional to 5,429.92, 7,492.43 and 3,193.70 is: 4,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.92 : 7,492.43 = 3,193.70 : x
  2. Step 2: Convert to fraction form
    5,429.92/7,492.43 = 3,193.70/x
  3. Step 3: Cross multiply
    5,429.92x = 7,492.43 × 3,193.70
  4. Step 4: Simplify right side
    5,429.92x = 23,928,573.69
  5. Step 5: Solve for x
    x = 23,928,573.69/5,429.92
  6. Step 6: Final answer
    x = 4,406.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.