Home / 5,990.16-8,985.48-2,911.44

Finding the Fourth Proportional to 5,990.16, 8,985.48 and 2,911.44

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Solution

The fourth proportional to 5,990.16, 8,985.48 and 2,911.44 is: 4,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.16 : 8,985.48 = 2,911.44 : x
  2. Step 2: Convert to fraction form
    5,990.16/8,985.48 = 2,911.44/x
  3. Step 3: Cross multiply
    5,990.16x = 8,985.48 × 2,911.44
  4. Step 4: Simplify right side
    5,990.16x = 26,160,685.89
  5. Step 5: Solve for x
    x = 26,160,685.89/5,990.16
  6. Step 6: Final answer
    x = 4,367.28

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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.