Home / 4,871.09-6,720.47-2,746.28

Finding the Fourth Proportional to 4,871.09, 6,720.47 and 2,746.28

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Solution

The fourth proportional to 4,871.09, 6,720.47 and 2,746.28 is: 3,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.09 : 6,720.47 = 2,746.28 : x
  2. Step 2: Convert to fraction form
    4,871.09/6,720.47 = 2,746.28/x
  3. Step 3: Cross multiply
    4,871.09x = 6,720.47 × 2,746.28
  4. Step 4: Simplify right side
    4,871.09x = 18,456,286.82
  5. Step 5: Solve for x
    x = 18,456,286.82/4,871.09
  6. Step 6: Final answer
    x = 3,788.95

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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.