Home / 4,050.79-6,077.10-1,239.87

Finding the Fourth Proportional to 4,050.79, 6,077.10 and 1,239.87

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Solution

The fourth proportional to 4,050.79, 6,077.10 and 1,239.87 is: 1,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050.79 : 6,077.10 = 1,239.87 : x
  2. Step 2: Convert to fraction form
    4,050.79/6,077.10 = 1,239.87/x
  3. Step 3: Cross multiply
    4,050.79x = 6,077.10 × 1,239.87
  4. Step 4: Simplify right side
    4,050.79x = 7,534,813.98
  5. Step 5: Solve for x
    x = 7,534,813.98/4,050.79
  6. Step 6: Final answer
    x = 1,860.09

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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.