Home / 4,299.28-6,444.36-2,105

Finding the Fourth Proportional to 4,299.28, 6,444.36 and 2,105

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Solution

The fourth proportional to 4,299.28, 6,444.36 and 2,105 is: 3,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.28 : 6,444.36 = 2,105 : x
  2. Step 2: Convert to fraction form
    4,299.28/6,444.36 = 2,105/x
  3. Step 3: Cross multiply
    4,299.28x = 6,444.36 × 2,105
  4. Step 4: Simplify right side
    4,299.28x = 13,565,377.80
  5. Step 5: Solve for x
    x = 13,565,377.80/4,299.28
  6. Step 6: Final answer
    x = 3,155.27

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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.