Home / 4,288.20-6,432.12-2,553

Finding the Fourth Proportional to 4,288.20, 6,432.12 and 2,553

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Solution

The fourth proportional to 4,288.20, 6,432.12 and 2,553 is: 3,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.20 : 6,432.12 = 2,553 : x
  2. Step 2: Convert to fraction form
    4,288.20/6,432.12 = 2,553/x
  3. Step 3: Cross multiply
    4,288.20x = 6,432.12 × 2,553
  4. Step 4: Simplify right side
    4,288.20x = 16,421,202.36
  5. Step 5: Solve for x
    x = 16,421,202.36/4,288.20
  6. Step 6: Final answer
    x = 3,829.39

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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.