Home / 4,114.90-5,679.21-2,621.26

Finding the Fourth Proportional to 4,114.90, 5,679.21 and 2,621.26

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Solution

The fourth proportional to 4,114.90, 5,679.21 and 2,621.26 is: 3,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.90 : 5,679.21 = 2,621.26 : x
  2. Step 2: Convert to fraction form
    4,114.90/5,679.21 = 2,621.26/x
  3. Step 3: Cross multiply
    4,114.90x = 5,679.21 × 2,621.26
  4. Step 4: Simplify right side
    4,114.90x = 14,886,686.00
  5. Step 5: Solve for x
    x = 14,886,686.00/4,114.90
  6. Step 6: Final answer
    x = 3,617.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.