Home / 4,029.28-5,557.08-2,850.64

Finding the Fourth Proportional to 4,029.28, 5,557.08 and 2,850.64

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Solution

The fourth proportional to 4,029.28, 5,557.08 and 2,850.64 is: 3,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.28 : 5,557.08 = 2,850.64 : x
  2. Step 2: Convert to fraction form
    4,029.28/5,557.08 = 2,850.64/x
  3. Step 3: Cross multiply
    4,029.28x = 5,557.08 × 2,850.64
  4. Step 4: Simplify right side
    4,029.28x = 15,841,234.53
  5. Step 5: Solve for x
    x = 15,841,234.53/4,029.28
  6. Step 6: Final answer
    x = 3,931.53

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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.