Home / 5,551.80-8,338.29-3,216.50

Finding the Fourth Proportional to 5,551.80, 8,338.29 and 3,216.50

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Solution

The fourth proportional to 5,551.80, 8,338.29 and 3,216.50 is: 4,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.80 : 8,338.29 = 3,216.50 : x
  2. Step 2: Convert to fraction form
    5,551.80/8,338.29 = 3,216.50/x
  3. Step 3: Cross multiply
    5,551.80x = 8,338.29 × 3,216.50
  4. Step 4: Simplify right side
    5,551.80x = 26,820,068.09
  5. Step 5: Solve for x
    x = 26,820,068.09/5,551.80
  6. Step 6: Final answer
    x = 4,830.88

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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.