Home / 7,453.28-10,286.80-4,311.30

Finding the Fourth Proportional to 7,453.28, 10,286.80 and 4,311.30

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Solution

The fourth proportional to 7,453.28, 10,286.80 and 4,311.30 is: 5,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.28 : 10,286.80 = 4,311.30 : x
  2. Step 2: Convert to fraction form
    7,453.28/10,286.80 = 4,311.30/x
  3. Step 3: Cross multiply
    7,453.28x = 10,286.80 × 4,311.30
  4. Step 4: Simplify right side
    7,453.28x = 44,349,480.84
  5. Step 5: Solve for x
    x = 44,349,480.84/7,453.28
  6. Step 6: Final answer
    x = 5,950.33

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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.