Home / 4,909.34-7,363.40-1,621.64

Finding the Fourth Proportional to 4,909.34, 7,363.40 and 1,621.64

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Solution

The fourth proportional to 4,909.34, 7,363.40 and 1,621.64 is: 2,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.34 : 7,363.40 = 1,621.64 : x
  2. Step 2: Convert to fraction form
    4,909.34/7,363.40 = 1,621.64/x
  3. Step 3: Cross multiply
    4,909.34x = 7,363.40 × 1,621.64
  4. Step 4: Simplify right side
    4,909.34x = 11,940,783.98
  5. Step 5: Solve for x
    x = 11,940,783.98/4,909.34
  6. Step 6: Final answer
    x = 2,432.26

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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.