Home / 5,550.90-7,661.08-3,192.89

Finding the Fourth Proportional to 5,550.90, 7,661.08 and 3,192.89

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Solution

The fourth proportional to 5,550.90, 7,661.08 and 3,192.89 is: 4,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.90 : 7,661.08 = 3,192.89 : x
  2. Step 2: Convert to fraction form
    5,550.90/7,661.08 = 3,192.89/x
  3. Step 3: Cross multiply
    5,550.90x = 7,661.08 × 3,192.89
  4. Step 4: Simplify right side
    5,550.90x = 24,460,951.41
  5. Step 5: Solve for x
    x = 24,460,951.41/5,550.90
  6. Step 6: Final answer
    x = 4,406.67

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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.