Home / 4,146.50-6,218.94-1,224.30

Finding the Fourth Proportional to 4,146.50, 6,218.94 and 1,224.30

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Solution

The fourth proportional to 4,146.50, 6,218.94 and 1,224.30 is: 1,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.50 : 6,218.94 = 1,224.30 : x
  2. Step 2: Convert to fraction form
    4,146.50/6,218.94 = 1,224.30/x
  3. Step 3: Cross multiply
    4,146.50x = 6,218.94 × 1,224.30
  4. Step 4: Simplify right side
    4,146.50x = 7,613,848.24
  5. Step 5: Solve for x
    x = 7,613,848.24/4,146.50
  6. Step 6: Final answer
    x = 1,836.21

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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.