Home / 5,171.40-7,756.33-1,883.72

Finding the Fourth Proportional to 5,171.40, 7,756.33 and 1,883.72

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Solution

The fourth proportional to 5,171.40, 7,756.33 and 1,883.72 is: 2,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.40 : 7,756.33 = 1,883.72 : x
  2. Step 2: Convert to fraction form
    5,171.40/7,756.33 = 1,883.72/x
  3. Step 3: Cross multiply
    5,171.40x = 7,756.33 × 1,883.72
  4. Step 4: Simplify right side
    5,171.40x = 14,610,793.82
  5. Step 5: Solve for x
    x = 14,610,793.82/5,171.40
  6. Step 6: Final answer
    x = 2,825.31

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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.