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Finding the Fourth Proportional to 7,254, 10,879.48 and 3,552.50

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Solution

The fourth proportional to 7,254, 10,879.48 and 3,552.50 is: 5,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254 : 10,879.48 = 3,552.50 : x
  2. Step 2: Convert to fraction form
    7,254/10,879.48 = 3,552.50/x
  3. Step 3: Cross multiply
    7,254x = 10,879.48 × 3,552.50
  4. Step 4: Simplify right side
    7,254x = 38,649,352.70
  5. Step 5: Solve for x
    x = 38,649,352.70/7,254
  6. Step 6: Final answer
    x = 5,328.01

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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.