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Finding the Fourth Proportional to 5,903.09, 8,860.11 and 2,983.45

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Solution

The fourth proportional to 5,903.09, 8,860.11 and 2,983.45 is: 4,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.09 : 8,860.11 = 2,983.45 : x
  2. Step 2: Convert to fraction form
    5,903.09/8,860.11 = 2,983.45/x
  3. Step 3: Cross multiply
    5,903.09x = 8,860.11 × 2,983.45
  4. Step 4: Simplify right side
    5,903.09x = 26,433,695.18
  5. Step 5: Solve for x
    x = 26,433,695.18/5,903.09
  6. Step 6: Final answer
    x = 4,477.94

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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.