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Finding the Fourth Proportional to 7,323.02, 10,981.77 and 2,641.78

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Solution

The fourth proportional to 7,323.02, 10,981.77 and 2,641.78 is: 3,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.02 : 10,981.77 = 2,641.78 : x
  2. Step 2: Convert to fraction form
    7,323.02/10,981.77 = 2,641.78/x
  3. Step 3: Cross multiply
    7,323.02x = 10,981.77 × 2,641.78
  4. Step 4: Simplify right side
    7,323.02x = 29,011,420.35
  5. Step 5: Solve for x
    x = 29,011,420.35/7,323.02
  6. Step 6: Final answer
    x = 3,961.67

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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.