Home / 4,146.72-6,219.12-1,185.08

Finding the Fourth Proportional to 4,146.72, 6,219.12 and 1,185.08

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Solution

The fourth proportional to 4,146.72, 6,219.12 and 1,185.08 is: 1,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.72 : 6,219.12 = 1,185.08 : x
  2. Step 2: Convert to fraction form
    4,146.72/6,219.12 = 1,185.08/x
  3. Step 3: Cross multiply
    4,146.72x = 6,219.12 × 1,185.08
  4. Step 4: Simplify right side
    4,146.72x = 7,370,180.96
  5. Step 5: Solve for x
    x = 7,370,180.96/4,146.72
  6. Step 6: Final answer
    x = 1,777.35

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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.