Home / 6,651-9,976.46-1,720.62

Finding the Fourth Proportional to 6,651, 9,976.46 and 1,720.62

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Solution

The fourth proportional to 6,651, 9,976.46 and 1,720.62 is: 2,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651 : 9,976.46 = 1,720.62 : x
  2. Step 2: Convert to fraction form
    6,651/9,976.46 = 1,720.62/x
  3. Step 3: Cross multiply
    6,651x = 9,976.46 × 1,720.62
  4. Step 4: Simplify right side
    6,651x = 17,165,696.61
  5. Step 5: Solve for x
    x = 17,165,696.61/6,651
  6. Step 6: Final answer
    x = 2,580.92

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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.