Home / 4,923.43-7,385.63-1,636.76

Finding the Fourth Proportional to 4,923.43, 7,385.63 and 1,636.76

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Solution

The fourth proportional to 4,923.43, 7,385.63 and 1,636.76 is: 2,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.43 : 7,385.63 = 1,636.76 : x
  2. Step 2: Convert to fraction form
    4,923.43/7,385.63 = 1,636.76/x
  3. Step 3: Cross multiply
    4,923.43x = 7,385.63 × 1,636.76
  4. Step 4: Simplify right side
    4,923.43x = 12,088,481.70
  5. Step 5: Solve for x
    x = 12,088,481.70/4,923.43
  6. Step 6: Final answer
    x = 2,455.30

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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.