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Finding the Fourth Proportional to 7,389.63, 11,084.44 and 7,203.73

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Solution

The fourth proportional to 7,389.63, 11,084.44 and 7,203.73 is: 10,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.63 : 11,084.44 = 7,203.73 : x
  2. Step 2: Convert to fraction form
    7,389.63/11,084.44 = 7,203.73/x
  3. Step 3: Cross multiply
    7,389.63x = 11,084.44 × 7,203.73
  4. Step 4: Simplify right side
    7,389.63x = 79,849,312.96
  5. Step 5: Solve for x
    x = 79,849,312.96/7,389.63
  6. Step 6: Final answer
    x = 10,805.59

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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.