Home / 4,194.30-6,291.47-1,272.63

Finding the Fourth Proportional to 4,194.30, 6,291.47 and 1,272.63

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Solution

The fourth proportional to 4,194.30, 6,291.47 and 1,272.63 is: 1,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.30 : 6,291.47 = 1,272.63 : x
  2. Step 2: Convert to fraction form
    4,194.30/6,291.47 = 1,272.63/x
  3. Step 3: Cross multiply
    4,194.30x = 6,291.47 × 1,272.63
  4. Step 4: Simplify right side
    4,194.30x = 8,006,707.10
  5. Step 5: Solve for x
    x = 8,006,707.10/4,194.30
  6. Step 6: Final answer
    x = 1,908.95

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Double scale
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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.