Home / 5,485.90-8,223.45-2,710.30

Finding the Fourth Proportional to 5,485.90, 8,223.45 and 2,710.30

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Solution

The fourth proportional to 5,485.90, 8,223.45 and 2,710.30 is: 4,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.90 : 8,223.45 = 2,710.30 : x
  2. Step 2: Convert to fraction form
    5,485.90/8,223.45 = 2,710.30/x
  3. Step 3: Cross multiply
    5,485.90x = 8,223.45 × 2,710.30
  4. Step 4: Simplify right side
    5,485.90x = 22,288,016.54
  5. Step 5: Solve for x
    x = 22,288,016.54/5,485.90
  6. Step 6: Final answer
    x = 4,062.78

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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.