Home / 4,051.43-6,077.14-1,278.38

Finding the Fourth Proportional to 4,051.43, 6,077.14 and 1,278.38

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Solution

The fourth proportional to 4,051.43, 6,077.14 and 1,278.38 is: 1,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.43 : 6,077.14 = 1,278.38 : x
  2. Step 2: Convert to fraction form
    4,051.43/6,077.14 = 1,278.38/x
  3. Step 3: Cross multiply
    4,051.43x = 6,077.14 × 1,278.38
  4. Step 4: Simplify right side
    4,051.43x = 7,768,875.84
  5. Step 5: Solve for x
    x = 7,768,875.84/4,051.43
  6. Step 6: Final answer
    x = 1,917.57

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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.