Home / 6,345.41-9,519.02-1,963.21

Finding the Fourth Proportional to 6,345.41, 9,519.02 and 1,963.21

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Solution

The fourth proportional to 6,345.41, 9,519.02 and 1,963.21 is: 2,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.41 : 9,519.02 = 1,963.21 : x
  2. Step 2: Convert to fraction form
    6,345.41/9,519.02 = 1,963.21/x
  3. Step 3: Cross multiply
    6,345.41x = 9,519.02 × 1,963.21
  4. Step 4: Simplify right side
    6,345.41x = 18,687,835.25
  5. Step 5: Solve for x
    x = 18,687,835.25/6,345.41
  6. Step 6: Final answer
    x = 2,945.09

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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.