Home / 4,145.37-5,716.53-2,730.30

Finding the Fourth Proportional to 4,145.37, 5,716.53 and 2,730.30

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Solution

The fourth proportional to 4,145.37, 5,716.53 and 2,730.30 is: 3,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.37 : 5,716.53 = 2,730.30 : x
  2. Step 2: Convert to fraction form
    4,145.37/5,716.53 = 2,730.30/x
  3. Step 3: Cross multiply
    4,145.37x = 5,716.53 × 2,730.30
  4. Step 4: Simplify right side
    4,145.37x = 15,607,841.86
  5. Step 5: Solve for x
    x = 15,607,841.86/4,145.37
  6. Step 6: Final answer
    x = 3,765.13

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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.