Home / 4,279.22-6,417.54-1,814

Finding the Fourth Proportional to 4,279.22, 6,417.54 and 1,814

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Solution

The fourth proportional to 4,279.22, 6,417.54 and 1,814 is: 2,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.22 : 6,417.54 = 1,814 : x
  2. Step 2: Convert to fraction form
    4,279.22/6,417.54 = 1,814/x
  3. Step 3: Cross multiply
    4,279.22x = 6,417.54 × 1,814
  4. Step 4: Simplify right side
    4,279.22x = 11,641,417.56
  5. Step 5: Solve for x
    x = 11,641,417.56/4,279.22
  6. Step 6: Final answer
    x = 2,720.45

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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.