Home / 6,551.49-9,826.97-1,621.01

Finding the Fourth Proportional to 6,551.49, 9,826.97 and 1,621.01

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Solution

The fourth proportional to 6,551.49, 9,826.97 and 1,621.01 is: 2,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.49 : 9,826.97 = 1,621.01 : x
  2. Step 2: Convert to fraction form
    6,551.49/9,826.97 = 1,621.01/x
  3. Step 3: Cross multiply
    6,551.49x = 9,826.97 × 1,621.01
  4. Step 4: Simplify right side
    6,551.49x = 15,929,559.40
  5. Step 5: Solve for x
    x = 15,929,559.40/6,551.49
  6. Step 6: Final answer
    x = 2,431.44

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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.