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Finding the Fourth Proportional to 7,263.76, 10,903.86 and 2,884.30

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Solution

The fourth proportional to 7,263.76, 10,903.86 and 2,884.30 is: 4,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,263.76 : 10,903.86 = 2,884.30 : x
  2. Step 2: Convert to fraction form
    7,263.76/10,903.86 = 2,884.30/x
  3. Step 3: Cross multiply
    7,263.76x = 10,903.86 × 2,884.30
  4. Step 4: Simplify right side
    7,263.76x = 31,450,003.40
  5. Step 5: Solve for x
    x = 31,450,003.40/7,263.76
  6. Step 6: Final answer
    x = 4,329.71

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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.