Home / 8,235.21-12,348.90-2,390.25

Finding the Fourth Proportional to 8,235.21, 12,348.90 and 2,390.25

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Solution

The fourth proportional to 8,235.21, 12,348.90 and 2,390.25 is: 3,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.21 : 12,348.90 = 2,390.25 : x
  2. Step 2: Convert to fraction form
    8,235.21/12,348.90 = 2,390.25/x
  3. Step 3: Cross multiply
    8,235.21x = 12,348.90 × 2,390.25
  4. Step 4: Simplify right side
    8,235.21x = 29,516,958.23
  5. Step 5: Solve for x
    x = 29,516,958.23/8,235.21
  6. Step 6: Final answer
    x = 3,584.24

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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.