Home / 4,943.52-6,821.28-2,847.36

Finding the Fourth Proportional to 4,943.52, 6,821.28 and 2,847.36

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Solution

The fourth proportional to 4,943.52, 6,821.28 and 2,847.36 is: 3,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.52 : 6,821.28 = 2,847.36 : x
  2. Step 2: Convert to fraction form
    4,943.52/6,821.28 = 2,847.36/x
  3. Step 3: Cross multiply
    4,943.52x = 6,821.28 × 2,847.36
  4. Step 4: Simplify right side
    4,943.52x = 19,422,639.82
  5. Step 5: Solve for x
    x = 19,422,639.82/4,943.52
  6. Step 6: Final answer
    x = 3,928.91

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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.