Home / 9,450.07-13,040.78-5,200.74

Finding the Fourth Proportional to 9,450.07, 13,040.78 and 5,200.74

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Solution

The fourth proportional to 9,450.07, 13,040.78 and 5,200.74 is: 7,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,450.07 : 13,040.78 = 5,200.74 : x
  2. Step 2: Convert to fraction form
    9,450.07/13,040.78 = 5,200.74/x
  3. Step 3: Cross multiply
    9,450.07x = 13,040.78 × 5,200.74
  4. Step 4: Simplify right side
    9,450.07x = 67,821,709.43
  5. Step 5: Solve for x
    x = 67,821,709.43/9,450.07
  6. Step 6: Final answer
    x = 7,176.85

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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.