Home / 4,455.28-6,142.24-2,963.28

Finding the Fourth Proportional to 4,455.28, 6,142.24 and 2,963.28

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Solution

The fourth proportional to 4,455.28, 6,142.24 and 2,963.28 is: 4,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.28 : 6,142.24 = 2,963.28 : x
  2. Step 2: Convert to fraction form
    4,455.28/6,142.24 = 2,963.28/x
  3. Step 3: Cross multiply
    4,455.28x = 6,142.24 × 2,963.28
  4. Step 4: Simplify right side
    4,455.28x = 18,201,176.95
  5. Step 5: Solve for x
    x = 18,201,176.95/4,455.28
  6. Step 6: Final answer
    x = 4,085.30

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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.