Home / 8,325.51-12,487.86-5,163.27

Finding the Fourth Proportional to 8,325.51, 12,487.86 and 5,163.27

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Solution

The fourth proportional to 8,325.51, 12,487.86 and 5,163.27 is: 7,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.51 : 12,487.86 = 5,163.27 : x
  2. Step 2: Convert to fraction form
    8,325.51/12,487.86 = 5,163.27/x
  3. Step 3: Cross multiply
    8,325.51x = 12,487.86 × 5,163.27
  4. Step 4: Simplify right side
    8,325.51x = 64,478,192.90
  5. Step 5: Solve for x
    x = 64,478,192.90/8,325.51
  6. Step 6: Final answer
    x = 7,744.65

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Double scale
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Similar ratio
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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.