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Finding the Fourth Proportional to 7,254.50, 10,880.22 and 3,553

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Solution

The fourth proportional to 7,254.50, 10,880.22 and 3,553 is: 5,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.50 : 10,880.22 = 3,553 : x
  2. Step 2: Convert to fraction form
    7,254.50/10,880.22 = 3,553/x
  3. Step 3: Cross multiply
    7,254.50x = 10,880.22 × 3,553
  4. Step 4: Simplify right side
    7,254.50x = 38,657,421.66
  5. Step 5: Solve for x
    x = 38,657,421.66/7,254.50
  6. Step 6: Final answer
    x = 5,328.75

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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.