Home / 5,556.59-8,334.90-1,661.03

Finding the Fourth Proportional to 5,556.59, 8,334.90 and 1,661.03

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Solution

The fourth proportional to 5,556.59, 8,334.90 and 1,661.03 is: 2,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.59 : 8,334.90 = 1,661.03 : x
  2. Step 2: Convert to fraction form
    5,556.59/8,334.90 = 1,661.03/x
  3. Step 3: Cross multiply
    5,556.59x = 8,334.90 × 1,661.03
  4. Step 4: Simplify right side
    5,556.59x = 13,844,477.27
  5. Step 5: Solve for x
    x = 13,844,477.27/5,556.59
  6. Step 6: Final answer
    x = 2,491.54

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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.