Home / 5,460.30-8,189.46-1,563.75

Finding the Fourth Proportional to 5,460.30, 8,189.46 and 1,563.75

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Solution

The fourth proportional to 5,460.30, 8,189.46 and 1,563.75 is: 2,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.30 : 8,189.46 = 1,563.75 : x
  2. Step 2: Convert to fraction form
    5,460.30/8,189.46 = 1,563.75/x
  3. Step 3: Cross multiply
    5,460.30x = 8,189.46 × 1,563.75
  4. Step 4: Simplify right side
    5,460.30x = 12,806,268.08
  5. Step 5: Solve for x
    x = 12,806,268.08/5,460.30
  6. Step 6: Final answer
    x = 2,345.34

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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.