Home / 4,421.68-6,102.78-2,629.57

Finding the Fourth Proportional to 4,421.68, 6,102.78 and 2,629.57

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Solution

The fourth proportional to 4,421.68, 6,102.78 and 2,629.57 is: 3,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.68 : 6,102.78 = 2,629.57 : x
  2. Step 2: Convert to fraction form
    4,421.68/6,102.78 = 2,629.57/x
  3. Step 3: Cross multiply
    4,421.68x = 6,102.78 × 2,629.57
  4. Step 4: Simplify right side
    4,421.68x = 16,047,687.20
  5. Step 5: Solve for x
    x = 16,047,687.20/4,421.68
  6. Step 6: Final answer
    x = 3,629.32

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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.