Home / 4,813.12-7,216.76-1,887.92

Finding the Fourth Proportional to 4,813.12, 7,216.76 and 1,887.92

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Solution

The fourth proportional to 4,813.12, 7,216.76 and 1,887.92 is: 2,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.12 : 7,216.76 = 1,887.92 : x
  2. Step 2: Convert to fraction form
    4,813.12/7,216.76 = 1,887.92/x
  3. Step 3: Cross multiply
    4,813.12x = 7,216.76 × 1,887.92
  4. Step 4: Simplify right side
    4,813.12x = 13,624,665.54
  5. Step 5: Solve for x
    x = 13,624,665.54/4,813.12
  6. Step 6: Final answer
    x = 2,830.73

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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.