Home / 6,646.50-9,971.39-1,966.48

Finding the Fourth Proportional to 6,646.50, 9,971.39 and 1,966.48

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Solution

The fourth proportional to 6,646.50, 9,971.39 and 1,966.48 is: 2,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.50 : 9,971.39 = 1,966.48 : x
  2. Step 2: Convert to fraction form
    6,646.50/9,971.39 = 1,966.48/x
  3. Step 3: Cross multiply
    6,646.50x = 9,971.39 × 1,966.48
  4. Step 4: Simplify right side
    6,646.50x = 19,608,539.01
  5. Step 5: Solve for x
    x = 19,608,539.01/6,646.50
  6. Step 6: Final answer
    x = 2,950.21

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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.