Home / 5,077.83-7,612.05-1,956.90

Finding the Fourth Proportional to 5,077.83, 7,612.05 and 1,956.90

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Solution

The fourth proportional to 5,077.83, 7,612.05 and 1,956.90 is: 2,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.83 : 7,612.05 = 1,956.90 : x
  2. Step 2: Convert to fraction form
    5,077.83/7,612.05 = 1,956.90/x
  3. Step 3: Cross multiply
    5,077.83x = 7,612.05 × 1,956.90
  4. Step 4: Simplify right side
    5,077.83x = 14,896,020.65
  5. Step 5: Solve for x
    x = 14,896,020.65/5,077.83
  6. Step 6: Final answer
    x = 2,933.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.