Home / 4,194.03-6,291.06-1,420.73

Finding the Fourth Proportional to 4,194.03, 6,291.06 and 1,420.73

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Solution

The fourth proportional to 4,194.03, 6,291.06 and 1,420.73 is: 2,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.03 : 6,291.06 = 1,420.73 : x
  2. Step 2: Convert to fraction form
    4,194.03/6,291.06 = 1,420.73/x
  3. Step 3: Cross multiply
    4,194.03x = 6,291.06 × 1,420.73
  4. Step 4: Simplify right side
    4,194.03x = 8,937,897.67
  5. Step 5: Solve for x
    x = 8,937,897.67/4,194.03
  6. Step 6: Final answer
    x = 2,131.10

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Half scale
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Double scale
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Similar ratio
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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.