Home / 4,721.80-6,516.36-2,732.86

Finding the Fourth Proportional to 4,721.80, 6,516.36 and 2,732.86

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Solution

The fourth proportional to 4,721.80, 6,516.36 and 2,732.86 is: 3,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.80 : 6,516.36 = 2,732.86 : x
  2. Step 2: Convert to fraction form
    4,721.80/6,516.36 = 2,732.86/x
  3. Step 3: Cross multiply
    4,721.80x = 6,516.36 × 2,732.86
  4. Step 4: Simplify right side
    4,721.80x = 17,808,299.59
  5. Step 5: Solve for x
    x = 17,808,299.59/4,721.80
  6. Step 6: Final answer
    x = 3,771.51

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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.