Home / 6,551.30-9,040.20-3,898.28

Finding the Fourth Proportional to 6,551.30, 9,040.20 and 3,898.28

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Solution

The fourth proportional to 6,551.30, 9,040.20 and 3,898.28 is: 5,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.30 : 9,040.20 = 3,898.28 : x
  2. Step 2: Convert to fraction form
    6,551.30/9,040.20 = 3,898.28/x
  3. Step 3: Cross multiply
    6,551.30x = 9,040.20 × 3,898.28
  4. Step 4: Simplify right side
    6,551.30x = 35,241,230.86
  5. Step 5: Solve for x
    x = 35,241,230.86/6,551.30
  6. Step 6: Final answer
    x = 5,379.27

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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.