Home / 7,506.96-11,261.25-3,121.98

Finding the Fourth Proportional to 7,506.96, 11,261.25 and 3,121.98

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Solution

The fourth proportional to 7,506.96, 11,261.25 and 3,121.98 is: 4,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.96 : 11,261.25 = 3,121.98 : x
  2. Step 2: Convert to fraction form
    7,506.96/11,261.25 = 3,121.98/x
  3. Step 3: Cross multiply
    7,506.96x = 11,261.25 × 3,121.98
  4. Step 4: Simplify right side
    7,506.96x = 35,157,397.28
  5. Step 5: Solve for x
    x = 35,157,397.28/7,506.96
  6. Step 6: Final answer
    x = 4,683.31

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1.5x scale

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.