Home / 4,874.50-6,726.81-2,779.03

Finding the Fourth Proportional to 4,874.50, 6,726.81 and 2,779.03

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Solution

The fourth proportional to 4,874.50, 6,726.81 and 2,779.03 is: 3,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.50 : 6,726.81 = 2,779.03 : x
  2. Step 2: Convert to fraction form
    4,874.50/6,726.81 = 2,779.03/x
  3. Step 3: Cross multiply
    4,874.50x = 6,726.81 × 2,779.03
  4. Step 4: Simplify right side
    4,874.50x = 18,694,006.79
  5. Step 5: Solve for x
    x = 18,694,006.79/4,874.50
  6. Step 6: Final answer
    x = 3,835.06

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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.