Home / 4,721.50-6,516.30-2,731.69

Finding the Fourth Proportional to 4,721.50, 6,516.30 and 2,731.69

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Solution

The fourth proportional to 4,721.50, 6,516.30 and 2,731.69 is: 3,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.50 : 6,516.30 = 2,731.69 : x
  2. Step 2: Convert to fraction form
    4,721.50/6,516.30 = 2,731.69/x
  3. Step 3: Cross multiply
    4,721.50x = 6,516.30 × 2,731.69
  4. Step 4: Simplify right side
    4,721.50x = 17,800,511.55
  5. Step 5: Solve for x
    x = 17,800,511.55/4,721.50
  6. Step 6: Final answer
    x = 3,770.10

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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.