Home / 7,537.21-11,304.50-1,990.60

Finding the Fourth Proportional to 7,537.21, 11,304.50 and 1,990.60

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Solution

The fourth proportional to 7,537.21, 11,304.50 and 1,990.60 is: 2,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.21 : 11,304.50 = 1,990.60 : x
  2. Step 2: Convert to fraction form
    7,537.21/11,304.50 = 1,990.60/x
  3. Step 3: Cross multiply
    7,537.21x = 11,304.50 × 1,990.60
  4. Step 4: Simplify right side
    7,537.21x = 22,502,737.70
  5. Step 5: Solve for x
    x = 22,502,737.70/7,537.21
  6. Step 6: Final answer
    x = 2,985.55

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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.