Home / 4,983.38-7,478.30-1,905.38

Finding the Fourth Proportional to 4,983.38, 7,478.30 and 1,905.38

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Solution

The fourth proportional to 4,983.38, 7,478.30 and 1,905.38 is: 2,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.38 : 7,478.30 = 1,905.38 : x
  2. Step 2: Convert to fraction form
    4,983.38/7,478.30 = 1,905.38/x
  3. Step 3: Cross multiply
    4,983.38x = 7,478.30 × 1,905.38
  4. Step 4: Simplify right side
    4,983.38x = 14,248,970.63
  5. Step 5: Solve for x
    x = 14,248,970.63/4,983.38
  6. Step 6: Final answer
    x = 2,859.30

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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.