Home / 8,221.04-12,335.16-3,028.40

Finding the Fourth Proportional to 8,221.04, 12,335.16 and 3,028.40

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Solution

The fourth proportional to 8,221.04, 12,335.16 and 3,028.40 is: 4,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.04 : 12,335.16 = 3,028.40 : x
  2. Step 2: Convert to fraction form
    8,221.04/12,335.16 = 3,028.40/x
  3. Step 3: Cross multiply
    8,221.04x = 12,335.16 × 3,028.40
  4. Step 4: Simplify right side
    8,221.04x = 37,355,798.54
  5. Step 5: Solve for x
    x = 37,355,798.54/8,221.04
  6. Step 6: Final answer
    x = 4,543.93

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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.