Home / 4,214.72-5,815.68-2,642.24

Finding the Fourth Proportional to 4,214.72, 5,815.68 and 2,642.24

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Solution

The fourth proportional to 4,214.72, 5,815.68 and 2,642.24 is: 3,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.72 : 5,815.68 = 2,642.24 : x
  2. Step 2: Convert to fraction form
    4,214.72/5,815.68 = 2,642.24/x
  3. Step 3: Cross multiply
    4,214.72x = 5,815.68 × 2,642.24
  4. Step 4: Simplify right side
    4,214.72x = 15,366,422.32
  5. Step 5: Solve for x
    x = 15,366,422.32/4,214.72
  6. Step 6: Final answer
    x = 3,645.89

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1.5x scale

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.