Home / 5,146.92-7,715.82-2,223.63

Finding the Fourth Proportional to 5,146.92, 7,715.82 and 2,223.63

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Solution

The fourth proportional to 5,146.92, 7,715.82 and 2,223.63 is: 3,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.92 : 7,715.82 = 2,223.63 : x
  2. Step 2: Convert to fraction form
    5,146.92/7,715.82 = 2,223.63/x
  3. Step 3: Cross multiply
    5,146.92x = 7,715.82 × 2,223.63
  4. Step 4: Simplify right side
    5,146.92x = 17,157,128.83
  5. Step 5: Solve for x
    x = 17,157,128.83/5,146.92
  6. Step 6: Final answer
    x = 3,333.47

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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.