Home / 8,790.64-13,187.73-3,244.02

Finding the Fourth Proportional to 8,790.64, 13,187.73 and 3,244.02

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Solution

The fourth proportional to 8,790.64, 13,187.73 and 3,244.02 is: 4,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.64 : 13,187.73 = 3,244.02 : x
  2. Step 2: Convert to fraction form
    8,790.64/13,187.73 = 3,244.02/x
  3. Step 3: Cross multiply
    8,790.64x = 13,187.73 × 3,244.02
  4. Step 4: Simplify right side
    8,790.64x = 42,781,259.87
  5. Step 5: Solve for x
    x = 42,781,259.87/8,790.64
  6. Step 6: Final answer
    x = 4,866.68

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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.