Home / 4,415.79-6,619.01-1,782.57

Finding the Fourth Proportional to 4,415.79, 6,619.01 and 1,782.57

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Solution

The fourth proportional to 4,415.79, 6,619.01 and 1,782.57 is: 2,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.79 : 6,619.01 = 1,782.57 : x
  2. Step 2: Convert to fraction form
    4,415.79/6,619.01 = 1,782.57/x
  3. Step 3: Cross multiply
    4,415.79x = 6,619.01 × 1,782.57
  4. Step 4: Simplify right side
    4,415.79x = 11,798,839.74
  5. Step 5: Solve for x
    x = 11,798,839.74/4,415.79
  6. Step 6: Final answer
    x = 2,671.97

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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.