Home / 7,270.53-10,011.11-5,480.61

Finding the Fourth Proportional to 7,270.53, 10,011.11 and 5,480.61

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Solution

The fourth proportional to 7,270.53, 10,011.11 and 5,480.61 is: 7,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.53 : 10,011.11 = 5,480.61 : x
  2. Step 2: Convert to fraction form
    7,270.53/10,011.11 = 5,480.61/x
  3. Step 3: Cross multiply
    7,270.53x = 10,011.11 × 5,480.61
  4. Step 4: Simplify right side
    7,270.53x = 54,866,989.58
  5. Step 5: Solve for x
    x = 54,866,989.58/7,270.53
  6. Step 6: Final answer
    x = 7,546.49

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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.