Home / 4,266.40-5,886.48-3,383.20

Finding the Fourth Proportional to 4,266.40, 5,886.48 and 3,383.20

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Solution

The fourth proportional to 4,266.40, 5,886.48 and 3,383.20 is: 4,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.40 : 5,886.48 = 3,383.20 : x
  2. Step 2: Convert to fraction form
    4,266.40/5,886.48 = 3,383.20/x
  3. Step 3: Cross multiply
    4,266.40x = 5,886.48 × 3,383.20
  4. Step 4: Simplify right side
    4,266.40x = 19,915,139.14
  5. Step 5: Solve for x
    x = 19,915,139.14/4,266.40
  6. Step 6: Final answer
    x = 4,667.90

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.