Home / 5,660.96-7,812.45-3,537.81

Finding the Fourth Proportional to 5,660.96, 7,812.45 and 3,537.81

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Solution

The fourth proportional to 5,660.96, 7,812.45 and 3,537.81 is: 4,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.96 : 7,812.45 = 3,537.81 : x
  2. Step 2: Convert to fraction form
    5,660.96/7,812.45 = 3,537.81/x
  3. Step 3: Cross multiply
    5,660.96x = 7,812.45 × 3,537.81
  4. Step 4: Simplify right side
    5,660.96x = 27,638,963.73
  5. Step 5: Solve for x
    x = 27,638,963.73/5,660.96
  6. Step 6: Final answer
    x = 4,882.39

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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.