Home / 9,275.83-12,800.97-6,629.56

Finding the Fourth Proportional to 9,275.83, 12,800.97 and 6,629.56

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Solution

The fourth proportional to 9,275.83, 12,800.97 and 6,629.56 is: 9,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.83 : 12,800.97 = 6,629.56 : x
  2. Step 2: Convert to fraction form
    9,275.83/12,800.97 = 6,629.56/x
  3. Step 3: Cross multiply
    9,275.83x = 12,800.97 × 6,629.56
  4. Step 4: Simplify right side
    9,275.83x = 84,864,766.67
  5. Step 5: Solve for x
    x = 84,864,766.67/9,275.83
  6. Step 6: Final answer
    x = 9,149.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.