Home / 7,617.12-11,425.76-2,685.64

Finding the Fourth Proportional to 7,617.12, 11,425.76 and 2,685.64

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Solution

The fourth proportional to 7,617.12, 11,425.76 and 2,685.64 is: 4,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.12 : 11,425.76 = 2,685.64 : x
  2. Step 2: Convert to fraction form
    7,617.12/11,425.76 = 2,685.64/x
  3. Step 3: Cross multiply
    7,617.12x = 11,425.76 × 2,685.64
  4. Step 4: Simplify right side
    7,617.12x = 30,685,478.09
  5. Step 5: Solve for x
    x = 30,685,478.09/7,617.12
  6. Step 6: Final answer
    x = 4,028.49

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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.