Home / 8,304.16-12,454.80-3,108.96

Finding the Fourth Proportional to 8,304.16, 12,454.80 and 3,108.96

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Solution

The fourth proportional to 8,304.16, 12,454.80 and 3,108.96 is: 4,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.16 : 12,454.80 = 3,108.96 : x
  2. Step 2: Convert to fraction form
    8,304.16/12,454.80 = 3,108.96/x
  3. Step 3: Cross multiply
    8,304.16x = 12,454.80 × 3,108.96
  4. Step 4: Simplify right side
    8,304.16x = 38,721,475.01
  5. Step 5: Solve for x
    x = 38,721,475.01/8,304.16
  6. Step 6: Final answer
    x = 4,662.90

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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.