Home / 7,725.42-10,661.75-4,892.49

Finding the Fourth Proportional to 7,725.42, 10,661.75 and 4,892.49

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Solution

The fourth proportional to 7,725.42, 10,661.75 and 4,892.49 is: 6,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.42 : 10,661.75 = 4,892.49 : x
  2. Step 2: Convert to fraction form
    7,725.42/10,661.75 = 4,892.49/x
  3. Step 3: Cross multiply
    7,725.42x = 10,661.75 × 4,892.49
  4. Step 4: Simplify right side
    7,725.42x = 52,162,480.80
  5. Step 5: Solve for x
    x = 52,162,480.80/7,725.42
  6. Step 6: Final answer
    x = 6,752.06

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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.