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Finding the Fourth Proportional to 6,636.05, 9,950.63 and 1,955.45

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Solution

The fourth proportional to 6,636.05, 9,950.63 and 1,955.45 is: 2,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.05 : 9,950.63 = 1,955.45 : x
  2. Step 2: Convert to fraction form
    6,636.05/9,950.63 = 1,955.45/x
  3. Step 3: Cross multiply
    6,636.05x = 9,950.63 × 1,955.45
  4. Step 4: Simplify right side
    6,636.05x = 19,457,899.90
  5. Step 5: Solve for x
    x = 19,457,899.90/6,636.05
  6. Step 6: Final answer
    x = 2,932.15

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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.