Home / 5,749.12-8,624.82-3,977.64

Finding the Fourth Proportional to 5,749.12, 8,624.82 and 3,977.64

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Solution

The fourth proportional to 5,749.12, 8,624.82 and 3,977.64 is: 5,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.12 : 8,624.82 = 3,977.64 : x
  2. Step 2: Convert to fraction form
    5,749.12/8,624.82 = 3,977.64/x
  3. Step 3: Cross multiply
    5,749.12x = 8,624.82 × 3,977.64
  4. Step 4: Simplify right side
    5,749.12x = 34,306,429.02
  5. Step 5: Solve for x
    x = 34,306,429.02/5,749.12
  6. Step 6: Final answer
    x = 5,967.25

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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.