Home / 4,740.87-7,112.82-2,275.86

Finding the Fourth Proportional to 4,740.87, 7,112.82 and 2,275.86

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Solution

The fourth proportional to 4,740.87, 7,112.82 and 2,275.86 is: 3,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.87 : 7,112.82 = 2,275.86 : x
  2. Step 2: Convert to fraction form
    4,740.87/7,112.82 = 2,275.86/x
  3. Step 3: Cross multiply
    4,740.87x = 7,112.82 × 2,275.86
  4. Step 4: Simplify right side
    4,740.87x = 16,187,782.53
  5. Step 5: Solve for x
    x = 16,187,782.53/4,740.87
  6. Step 6: Final answer
    x = 3,414.52

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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.