Home / 4,990.04-6,886.16-2,721.41

Finding the Fourth Proportional to 4,990.04, 6,886.16 and 2,721.41

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Solution

The fourth proportional to 4,990.04, 6,886.16 and 2,721.41 is: 3,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.04 : 6,886.16 = 2,721.41 : x
  2. Step 2: Convert to fraction form
    4,990.04/6,886.16 = 2,721.41/x
  3. Step 3: Cross multiply
    4,990.04x = 6,886.16 × 2,721.41
  4. Step 4: Simplify right side
    4,990.04x = 18,740,037.14
  5. Step 5: Solve for x
    x = 18,740,037.14/4,990.04
  6. Step 6: Final answer
    x = 3,755.49

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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.