Home / 5,552.80-7,662.63-3,285.61

Finding the Fourth Proportional to 5,552.80, 7,662.63 and 3,285.61

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Solution

The fourth proportional to 5,552.80, 7,662.63 and 3,285.61 is: 4,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.80 : 7,662.63 = 3,285.61 : x
  2. Step 2: Convert to fraction form
    5,552.80/7,662.63 = 3,285.61/x
  3. Step 3: Cross multiply
    5,552.80x = 7,662.63 × 3,285.61
  4. Step 4: Simplify right side
    5,552.80x = 25,176,394.60
  5. Step 5: Solve for x
    x = 25,176,394.60/5,552.80
  6. Step 6: Final answer
    x = 4,534.00

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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.