Home / 5,555.20-8,332.80-3,362.80

Finding the Fourth Proportional to 5,555.20, 8,332.80 and 3,362.80

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Solution

The fourth proportional to 5,555.20, 8,332.80 and 3,362.80 is: 5,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.20 : 8,332.80 = 3,362.80 : x
  2. Step 2: Convert to fraction form
    5,555.20/8,332.80 = 3,362.80/x
  3. Step 3: Cross multiply
    5,555.20x = 8,332.80 × 3,362.80
  4. Step 4: Simplify right side
    5,555.20x = 28,021,539.84
  5. Step 5: Solve for x
    x = 28,021,539.84/5,555.20
  6. Step 6: Final answer
    x = 5,044.20

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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.