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Finding the Fourth Proportional to 6,646.44, 9,971.48 and 1,966.68

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Solution

The fourth proportional to 6,646.44, 9,971.48 and 1,966.68 is: 2,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.44 : 9,971.48 = 1,966.68 : x
  2. Step 2: Convert to fraction form
    6,646.44/9,971.48 = 1,966.68/x
  3. Step 3: Cross multiply
    6,646.44x = 9,971.48 × 1,966.68
  4. Step 4: Simplify right side
    6,646.44x = 19,610,710.29
  5. Step 5: Solve for x
    x = 19,610,710.29/6,646.44
  6. Step 6: Final answer
    x = 2,950.56

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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.