Home / 5,556.38-8,334.86-1,660.82

Finding the Fourth Proportional to 5,556.38, 8,334.86 and 1,660.82

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Solution

The fourth proportional to 5,556.38, 8,334.86 and 1,660.82 is: 2,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.38 : 8,334.86 = 1,660.82 : x
  2. Step 2: Convert to fraction form
    5,556.38/8,334.86 = 1,660.82/x
  3. Step 3: Cross multiply
    5,556.38x = 8,334.86 × 1,660.82
  4. Step 4: Simplify right side
    5,556.38x = 13,842,652.21
  5. Step 5: Solve for x
    x = 13,842,652.21/5,556.38
  6. Step 6: Final answer
    x = 2,491.31

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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.