Home / 5,173.52-7,760.76-1,886.96

Finding the Fourth Proportional to 5,173.52, 7,760.76 and 1,886.96

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Solution

The fourth proportional to 5,173.52, 7,760.76 and 1,886.96 is: 2,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.52 : 7,760.76 = 1,886.96 : x
  2. Step 2: Convert to fraction form
    5,173.52/7,760.76 = 1,886.96/x
  3. Step 3: Cross multiply
    5,173.52x = 7,760.76 × 1,886.96
  4. Step 4: Simplify right side
    5,173.52x = 14,644,243.69
  5. Step 5: Solve for x
    x = 14,644,243.69/5,173.52
  6. Step 6: Final answer
    x = 2,830.62

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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.