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Finding the Fourth Proportional to 7,563.23, 11,344.85 and 2,946.23

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Solution

The fourth proportional to 7,563.23, 11,344.85 and 2,946.23 is: 4,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.23 : 11,344.85 = 2,946.23 : x
  2. Step 2: Convert to fraction form
    7,563.23/11,344.85 = 2,946.23/x
  3. Step 3: Cross multiply
    7,563.23x = 11,344.85 × 2,946.23
  4. Step 4: Simplify right side
    7,563.23x = 33,424,537.42
  5. Step 5: Solve for x
    x = 33,424,537.42/7,563.23
  6. Step 6: Final answer
    x = 4,419.35

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Double scale
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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.