Home / 7,425.64-11,124.05-6,636.97

Finding the Fourth Proportional to 7,425.64, 11,124.05 and 6,636.97

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Solution

The fourth proportional to 7,425.64, 11,124.05 and 6,636.97 is: 9,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.64 : 11,124.05 = 6,636.97 : x
  2. Step 2: Convert to fraction form
    7,425.64/11,124.05 = 6,636.97/x
  3. Step 3: Cross multiply
    7,425.64x = 11,124.05 × 6,636.97
  4. Step 4: Simplify right side
    7,425.64x = 73,829,986.13
  5. Step 5: Solve for x
    x = 73,829,986.13/7,425.64
  6. Step 6: Final answer
    x = 9,942.58

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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.