Home / 8,190.27-12,281.09-3,570.75

Finding the Fourth Proportional to 8,190.27, 12,281.09 and 3,570.75

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Solution

The fourth proportional to 8,190.27, 12,281.09 and 3,570.75 is: 5,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.27 : 12,281.09 = 3,570.75 : x
  2. Step 2: Convert to fraction form
    8,190.27/12,281.09 = 3,570.75/x
  3. Step 3: Cross multiply
    8,190.27x = 12,281.09 × 3,570.75
  4. Step 4: Simplify right side
    8,190.27x = 43,852,684.26
  5. Step 5: Solve for x
    x = 43,852,684.26/8,190.27
  6. Step 6: Final answer
    x = 5,354.24

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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.