Home / 5,383.84-7,428.48-3,259.36

Finding the Fourth Proportional to 5,383.84, 7,428.48 and 3,259.36

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Solution

The fourth proportional to 5,383.84, 7,428.48 and 3,259.36 is: 4,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.84 : 7,428.48 = 3,259.36 : x
  2. Step 2: Convert to fraction form
    5,383.84/7,428.48 = 3,259.36/x
  3. Step 3: Cross multiply
    5,383.84x = 7,428.48 × 3,259.36
  4. Step 4: Simplify right side
    5,383.84x = 24,212,090.57
  5. Step 5: Solve for x
    x = 24,212,090.57/5,383.84
  6. Step 6: Final answer
    x = 4,497.18

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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.