Home / 4,643.28-6,963.12-1,720.92

Finding the Fourth Proportional to 4,643.28, 6,963.12 and 1,720.92

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Solution

The fourth proportional to 4,643.28, 6,963.12 and 1,720.92 is: 2,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.28 : 6,963.12 = 1,720.92 : x
  2. Step 2: Convert to fraction form
    4,643.28/6,963.12 = 1,720.92/x
  3. Step 3: Cross multiply
    4,643.28x = 6,963.12 × 1,720.92
  4. Step 4: Simplify right side
    4,643.28x = 11,982,972.47
  5. Step 5: Solve for x
    x = 11,982,972.47/4,643.28
  6. Step 6: Final answer
    x = 2,580.71

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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.