Home / 4,874.69-6,726.66-2,884.90

Finding the Fourth Proportional to 4,874.69, 6,726.66 and 2,884.90

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Solution

The fourth proportional to 4,874.69, 6,726.66 and 2,884.90 is: 3,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.69 : 6,726.66 = 2,884.90 : x
  2. Step 2: Convert to fraction form
    4,874.69/6,726.66 = 2,884.90/x
  3. Step 3: Cross multiply
    4,874.69x = 6,726.66 × 2,884.90
  4. Step 4: Simplify right side
    4,874.69x = 19,405,707.80
  5. Step 5: Solve for x
    x = 19,405,707.80/4,874.69
  6. Step 6: Final answer
    x = 3,980.91

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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.