Home / 5,712.36-8,561.46-3,239.67

Finding the Fourth Proportional to 5,712.36, 8,561.46 and 3,239.67

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Solution

The fourth proportional to 5,712.36, 8,561.46 and 3,239.67 is: 4,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.36 : 8,561.46 = 3,239.67 : x
  2. Step 2: Convert to fraction form
    5,712.36/8,561.46 = 3,239.67/x
  3. Step 3: Cross multiply
    5,712.36x = 8,561.46 × 3,239.67
  4. Step 4: Simplify right side
    5,712.36x = 27,736,305.12
  5. Step 5: Solve for x
    x = 27,736,305.12/5,712.36
  6. Step 6: Final answer
    x = 4,855.49

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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.