Home / 5,247.46-7,239.54-3,007.81

Finding the Fourth Proportional to 5,247.46, 7,239.54 and 3,007.81

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Solution

The fourth proportional to 5,247.46, 7,239.54 and 3,007.81 is: 4,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.46 : 7,239.54 = 3,007.81 : x
  2. Step 2: Convert to fraction form
    5,247.46/7,239.54 = 3,007.81/x
  3. Step 3: Cross multiply
    5,247.46x = 7,239.54 × 3,007.81
  4. Step 4: Simplify right side
    5,247.46x = 21,775,160.81
  5. Step 5: Solve for x
    x = 21,775,160.81/5,247.46
  6. Step 6: Final answer
    x = 4,149.66

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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.