Home / 6,145.40-9,216.50-1,761.83

Finding the Fourth Proportional to 6,145.40, 9,216.50 and 1,761.83

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Solution

The fourth proportional to 6,145.40, 9,216.50 and 1,761.83 is: 2,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.40 : 9,216.50 = 1,761.83 : x
  2. Step 2: Convert to fraction form
    6,145.40/9,216.50 = 1,761.83/x
  3. Step 3: Cross multiply
    6,145.40x = 9,216.50 × 1,761.83
  4. Step 4: Simplify right side
    6,145.40x = 16,237,906.20
  5. Step 5: Solve for x
    x = 16,237,906.20/6,145.40
  6. Step 6: Final answer
    x = 2,642.29

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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.