Home / 9,517.79-13,134.57-5,210.82

Finding the Fourth Proportional to 9,517.79, 13,134.57 and 5,210.82

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Solution

The fourth proportional to 9,517.79, 13,134.57 and 5,210.82 is: 7,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.79 : 13,134.57 = 5,210.82 : x
  2. Step 2: Convert to fraction form
    9,517.79/13,134.57 = 5,210.82/x
  3. Step 3: Cross multiply
    9,517.79x = 13,134.57 × 5,210.82
  4. Step 4: Simplify right side
    9,517.79x = 68,441,880.05
  5. Step 5: Solve for x
    x = 68,441,880.05/9,517.79
  6. Step 6: Final answer
    x = 7,190.94

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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.