Home / 7,177.43-10,766.77-1,983.31

Finding the Fourth Proportional to 7,177.43, 10,766.77 and 1,983.31

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Solution

The fourth proportional to 7,177.43, 10,766.77 and 1,983.31 is: 2,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.43 : 10,766.77 = 1,983.31 : x
  2. Step 2: Convert to fraction form
    7,177.43/10,766.77 = 1,983.31/x
  3. Step 3: Cross multiply
    7,177.43x = 10,766.77 × 1,983.31
  4. Step 4: Simplify right side
    7,177.43x = 21,353,842.61
  5. Step 5: Solve for x
    x = 21,353,842.61/7,177.43
  6. Step 6: Final answer
    x = 2,975.14

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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.