Home / 5,485.30-8,230.35-2,562.10

Finding the Fourth Proportional to 5,485.30, 8,230.35 and 2,562.10

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Solution

The fourth proportional to 5,485.30, 8,230.35 and 2,562.10 is: 3,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.30 : 8,230.35 = 2,562.10 : x
  2. Step 2: Convert to fraction form
    5,485.30/8,230.35 = 2,562.10/x
  3. Step 3: Cross multiply
    5,485.30x = 8,230.35 × 2,562.10
  4. Step 4: Simplify right side
    5,485.30x = 21,086,979.74
  5. Step 5: Solve for x
    x = 21,086,979.74/5,485.30
  6. Step 6: Final answer
    x = 3,844.27

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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.