Home / 8,304.04-12,455.62-3,109.52

Finding the Fourth Proportional to 8,304.04, 12,455.62 and 3,109.52

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Solution

The fourth proportional to 8,304.04, 12,455.62 and 3,109.52 is: 4,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.04 : 12,455.62 = 3,109.52 : x
  2. Step 2: Convert to fraction form
    8,304.04/12,455.62 = 3,109.52/x
  3. Step 3: Cross multiply
    8,304.04x = 12,455.62 × 3,109.52
  4. Step 4: Simplify right side
    8,304.04x = 38,730,999.50
  5. Step 5: Solve for x
    x = 38,730,999.50/8,304.04
  6. Step 6: Final answer
    x = 4,664.12

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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.