Home / 7,925.12-10,936.67-4,340.41

Finding the Fourth Proportional to 7,925.12, 10,936.67 and 4,340.41

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Solution

The fourth proportional to 7,925.12, 10,936.67 and 4,340.41 is: 5,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.12 : 10,936.67 = 4,340.41 : x
  2. Step 2: Convert to fraction form
    7,925.12/10,936.67 = 4,340.41/x
  3. Step 3: Cross multiply
    7,925.12x = 10,936.67 × 4,340.41
  4. Step 4: Simplify right side
    7,925.12x = 47,469,637.97
  5. Step 5: Solve for x
    x = 47,469,637.97/7,925.12
  6. Step 6: Final answer
    x = 5,989.77

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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.