Home / 7,273.20-10,903.32-2,887.68

Finding the Fourth Proportional to 7,273.20, 10,903.32 and 2,887.68

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Solution

The fourth proportional to 7,273.20, 10,903.32 and 2,887.68 is: 4,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.20 : 10,903.32 = 2,887.68 : x
  2. Step 2: Convert to fraction form
    7,273.20/10,903.32 = 2,887.68/x
  3. Step 3: Cross multiply
    7,273.20x = 10,903.32 × 2,887.68
  4. Step 4: Simplify right side
    7,273.20x = 31,485,299.10
  5. Step 5: Solve for x
    x = 31,485,299.10/7,273.20
  6. Step 6: Final answer
    x = 4,328.95

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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.