Home / 4,146.40-6,220.16-1,224.28

Finding the Fourth Proportional to 4,146.40, 6,220.16 and 1,224.28

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Solution

The fourth proportional to 4,146.40, 6,220.16 and 1,224.28 is: 1,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.40 : 6,220.16 = 1,224.28 : x
  2. Step 2: Convert to fraction form
    4,146.40/6,220.16 = 1,224.28/x
  3. Step 3: Cross multiply
    4,146.40x = 6,220.16 × 1,224.28
  4. Step 4: Simplify right side
    4,146.40x = 7,615,217.48
  5. Step 5: Solve for x
    x = 7,615,217.48/4,146.40
  6. Step 6: Final answer
    x = 1,836.59

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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.