Home / 8,104.08-12,157.48-3,721.92

Finding the Fourth Proportional to 8,104.08, 12,157.48 and 3,721.92

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Solution

The fourth proportional to 8,104.08, 12,157.48 and 3,721.92 is: 5,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.08 : 12,157.48 = 3,721.92 : x
  2. Step 2: Convert to fraction form
    8,104.08/12,157.48 = 3,721.92/x
  3. Step 3: Cross multiply
    8,104.08x = 12,157.48 × 3,721.92
  4. Step 4: Simplify right side
    8,104.08x = 45,249,167.96
  5. Step 5: Solve for x
    x = 45,249,167.96/8,104.08
  6. Step 6: Final answer
    x = 5,583.50

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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.