Home / 9,207.64-12,706.52-5,015.88

Finding the Fourth Proportional to 9,207.64, 12,706.52 and 5,015.88

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Solution

The fourth proportional to 9,207.64, 12,706.52 and 5,015.88 is: 6,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.64 : 12,706.52 = 5,015.88 : x
  2. Step 2: Convert to fraction form
    9,207.64/12,706.52 = 5,015.88/x
  3. Step 3: Cross multiply
    9,207.64x = 12,706.52 × 5,015.88
  4. Step 4: Simplify right side
    9,207.64x = 63,734,379.54
  5. Step 5: Solve for x
    x = 63,734,379.54/9,207.64
  6. Step 6: Final answer
    x = 6,921.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.