Home / 9,777.92-13,504.66-6,628.64

Finding the Fourth Proportional to 9,777.92, 13,504.66 and 6,628.64

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Solution

The fourth proportional to 9,777.92, 13,504.66 and 6,628.64 is: 9,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.92 : 13,504.66 = 6,628.64 : x
  2. Step 2: Convert to fraction form
    9,777.92/13,504.66 = 6,628.64/x
  3. Step 3: Cross multiply
    9,777.92x = 13,504.66 × 6,628.64
  4. Step 4: Simplify right side
    9,777.92x = 89,517,470.22
  5. Step 5: Solve for x
    x = 89,517,470.22/9,777.92
  6. Step 6: Final answer
    x = 9,155.07

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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.