Home / 4,185.47-6,279.22-1,263.60

Finding the Fourth Proportional to 4,185.47, 6,279.22 and 1,263.60

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Solution

The fourth proportional to 4,185.47, 6,279.22 and 1,263.60 is: 1,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.47 : 6,279.22 = 1,263.60 : x
  2. Step 2: Convert to fraction form
    4,185.47/6,279.22 = 1,263.60/x
  3. Step 3: Cross multiply
    4,185.47x = 6,279.22 × 1,263.60
  4. Step 4: Simplify right side
    4,185.47x = 7,934,422.39
  5. Step 5: Solve for x
    x = 7,934,422.39/4,185.47
  6. Step 6: Final answer
    x = 1,895.71

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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.