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Finding the Fourth Proportional to 8,886.32, 13,318.32 and 4,206.32

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Solution

The fourth proportional to 8,886.32, 13,318.32 and 4,206.32 is: 6,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.32 : 13,318.32 = 4,206.32 : x
  2. Step 2: Convert to fraction form
    8,886.32/13,318.32 = 4,206.32/x
  3. Step 3: Cross multiply
    8,886.32x = 13,318.32 × 4,206.32
  4. Step 4: Simplify right side
    8,886.32x = 56,021,115.78
  5. Step 5: Solve for x
    x = 56,021,115.78/8,886.32
  6. Step 6: Final answer
    x = 6,304.20

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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.