Home / 4,383.20-6,572.40-1,783.20

Finding the Fourth Proportional to 4,383.20, 6,572.40 and 1,783.20

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Solution

The fourth proportional to 4,383.20, 6,572.40 and 1,783.20 is: 2,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,383.20 : 6,572.40 = 1,783.20 : x
  2. Step 2: Convert to fraction form
    4,383.20/6,572.40 = 1,783.20/x
  3. Step 3: Cross multiply
    4,383.20x = 6,572.40 × 1,783.20
  4. Step 4: Simplify right side
    4,383.20x = 11,719,903.68
  5. Step 5: Solve for x
    x = 11,719,903.68/4,383.20
  6. Step 6: Final answer
    x = 2,673.82

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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.