Home / 8,163.42-11,263.64-4,975.80

Finding the Fourth Proportional to 8,163.42, 11,263.64 and 4,975.80

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Solution

The fourth proportional to 8,163.42, 11,263.64 and 4,975.80 is: 6,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.42 : 11,263.64 = 4,975.80 : x
  2. Step 2: Convert to fraction form
    8,163.42/11,263.64 = 4,975.80/x
  3. Step 3: Cross multiply
    8,163.42x = 11,263.64 × 4,975.80
  4. Step 4: Simplify right side
    8,163.42x = 56,045,595.03
  5. Step 5: Solve for x
    x = 56,045,595.03/8,163.42
  6. Step 6: Final answer
    x = 6,865.46

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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.