Home / 5,749.08-8,620.40-2,236.92

Finding the Fourth Proportional to 5,749.08, 8,620.40 and 2,236.92

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Solution

The fourth proportional to 5,749.08, 8,620.40 and 2,236.92 is: 3,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.08 : 8,620.40 = 2,236.92 : x
  2. Step 2: Convert to fraction form
    5,749.08/8,620.40 = 2,236.92/x
  3. Step 3: Cross multiply
    5,749.08x = 8,620.40 × 2,236.92
  4. Step 4: Simplify right side
    5,749.08x = 19,283,145.17
  5. Step 5: Solve for x
    x = 19,283,145.17/5,749.08
  6. Step 6: Final answer
    x = 3,354.13

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1.5x scale

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.