Home / 6,069.50-9,103.23-1,687.40

Finding the Fourth Proportional to 6,069.50, 9,103.23 and 1,687.40

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Solution

The fourth proportional to 6,069.50, 9,103.23 and 1,687.40 is: 2,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,069.50 : 9,103.23 = 1,687.40 : x
  2. Step 2: Convert to fraction form
    6,069.50/9,103.23 = 1,687.40/x
  3. Step 3: Cross multiply
    6,069.50x = 9,103.23 × 1,687.40
  4. Step 4: Simplify right side
    6,069.50x = 15,360,790.30
  5. Step 5: Solve for x
    x = 15,360,790.30/6,069.50
  6. Step 6: Final answer
    x = 2,530.82

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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.