Home / 4,207.92-5,808.72-2,635.68

Finding the Fourth Proportional to 4,207.92, 5,808.72 and 2,635.68

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Solution

The fourth proportional to 4,207.92, 5,808.72 and 2,635.68 is: 3,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.92 : 5,808.72 = 2,635.68 : x
  2. Step 2: Convert to fraction form
    4,207.92/5,808.72 = 2,635.68/x
  3. Step 3: Cross multiply
    4,207.92x = 5,808.72 × 2,635.68
  4. Step 4: Simplify right side
    4,207.92x = 15,309,927.13
  5. Step 5: Solve for x
    x = 15,309,927.13/4,207.92
  6. Step 6: Final answer
    x = 3,638.36

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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.