Home / 4,051.29-6,077.22-1,278.09

Finding the Fourth Proportional to 4,051.29, 6,077.22 and 1,278.09

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Solution

The fourth proportional to 4,051.29, 6,077.22 and 1,278.09 is: 1,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.29 : 6,077.22 = 1,278.09 : x
  2. Step 2: Convert to fraction form
    4,051.29/6,077.22 = 1,278.09/x
  3. Step 3: Cross multiply
    4,051.29x = 6,077.22 × 1,278.09
  4. Step 4: Simplify right side
    4,051.29x = 7,767,234.11
  5. Step 5: Solve for x
    x = 7,767,234.11/4,051.29
  6. Step 6: Final answer
    x = 1,917.22

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1.5x scale

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.