Home / 9,478.39-14,211.50-3,935.56

Finding the Fourth Proportional to 9,478.39, 14,211.50 and 3,935.56

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Solution

The fourth proportional to 9,478.39, 14,211.50 and 3,935.56 is: 5,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.39 : 14,211.50 = 3,935.56 : x
  2. Step 2: Convert to fraction form
    9,478.39/14,211.50 = 3,935.56/x
  3. Step 3: Cross multiply
    9,478.39x = 14,211.50 × 3,935.56
  4. Step 4: Simplify right side
    9,478.39x = 55,930,210.94
  5. Step 5: Solve for x
    x = 55,930,210.94/9,478.39
  6. Step 6: Final answer
    x = 5,900.81

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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.