Home / 6,551.04-9,040.56-3,898.80

Finding the Fourth Proportional to 6,551.04, 9,040.56 and 3,898.80

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Solution

The fourth proportional to 6,551.04, 9,040.56 and 3,898.80 is: 5,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.04 : 9,040.56 = 3,898.80 : x
  2. Step 2: Convert to fraction form
    6,551.04/9,040.56 = 3,898.80/x
  3. Step 3: Cross multiply
    6,551.04x = 9,040.56 × 3,898.80
  4. Step 4: Simplify right side
    6,551.04x = 35,247,335.33
  5. Step 5: Solve for x
    x = 35,247,335.33/6,551.04
  6. Step 6: Final answer
    x = 5,380.42

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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.