Home / 4,415.19-6,621.31-1,782.01

Finding the Fourth Proportional to 4,415.19, 6,621.31 and 1,782.01

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Solution

The fourth proportional to 4,415.19, 6,621.31 and 1,782.01 is: 2,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.19 : 6,621.31 = 1,782.01 : x
  2. Step 2: Convert to fraction form
    4,415.19/6,621.31 = 1,782.01/x
  3. Step 3: Cross multiply
    4,415.19x = 6,621.31 × 1,782.01
  4. Step 4: Simplify right side
    4,415.19x = 11,799,240.63
  5. Step 5: Solve for x
    x = 11,799,240.63/4,415.19
  6. Step 6: Final answer
    x = 2,672.42

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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.