Home / 5,171.86-7,137.06-2,933.74

Finding the Fourth Proportional to 5,171.86, 7,137.06 and 2,933.74

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Solution

The fourth proportional to 5,171.86, 7,137.06 and 2,933.74 is: 4,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.86 : 7,137.06 = 2,933.74 : x
  2. Step 2: Convert to fraction form
    5,171.86/7,137.06 = 2,933.74/x
  3. Step 3: Cross multiply
    5,171.86x = 7,137.06 × 2,933.74
  4. Step 4: Simplify right side
    5,171.86x = 20,938,278.40
  5. Step 5: Solve for x
    x = 20,938,278.40/5,171.86
  6. Step 6: Final answer
    x = 4,048.50

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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.