Home / 8,212.46-12,304.10-4,702.32

Finding the Fourth Proportional to 8,212.46, 12,304.10 and 4,702.32

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Solution

The fourth proportional to 8,212.46, 12,304.10 and 4,702.32 is: 7,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.46 : 12,304.10 = 4,702.32 : x
  2. Step 2: Convert to fraction form
    8,212.46/12,304.10 = 4,702.32/x
  3. Step 3: Cross multiply
    8,212.46x = 12,304.10 × 4,702.32
  4. Step 4: Simplify right side
    8,212.46x = 57,857,815.51
  5. Step 5: Solve for x
    x = 57,857,815.51/8,212.46
  6. Step 6: Final answer
    x = 7,045.13

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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.