Home / 6,345.74-9,519.55-1,963.55

Finding the Fourth Proportional to 6,345.74, 9,519.55 and 1,963.55

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Solution

The fourth proportional to 6,345.74, 9,519.55 and 1,963.55 is: 2,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.74 : 9,519.55 = 1,963.55 : x
  2. Step 2: Convert to fraction form
    6,345.74/9,519.55 = 1,963.55/x
  3. Step 3: Cross multiply
    6,345.74x = 9,519.55 × 1,963.55
  4. Step 4: Simplify right side
    6,345.74x = 18,692,131.29
  5. Step 5: Solve for x
    x = 18,692,131.29/6,345.74
  6. Step 6: Final answer
    x = 2,945.62

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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.