Home / 5,961.18-8,927.38-2,990.28

Finding the Fourth Proportional to 5,961.18, 8,927.38 and 2,990.28

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Solution

The fourth proportional to 5,961.18, 8,927.38 and 2,990.28 is: 4,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961.18 : 8,927.38 = 2,990.28 : x
  2. Step 2: Convert to fraction form
    5,961.18/8,927.38 = 2,990.28/x
  3. Step 3: Cross multiply
    5,961.18x = 8,927.38 × 2,990.28
  4. Step 4: Simplify right side
    5,961.18x = 26,695,365.87
  5. Step 5: Solve for x
    x = 26,695,365.87/5,961.18
  6. Step 6: Final answer
    x = 4,478.20

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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.