Home / 8,218.67-12,325.37-4,320.95

Finding the Fourth Proportional to 8,218.67, 12,325.37 and 4,320.95

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Solution

The fourth proportional to 8,218.67, 12,325.37 and 4,320.95 is: 6,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.67 : 12,325.37 = 4,320.95 : x
  2. Step 2: Convert to fraction form
    8,218.67/12,325.37 = 4,320.95/x
  3. Step 3: Cross multiply
    8,218.67x = 12,325.37 × 4,320.95
  4. Step 4: Simplify right side
    8,218.67x = 53,257,224.27
  5. Step 5: Solve for x
    x = 53,257,224.27/8,218.67
  6. Step 6: Final answer
    x = 6,480.03

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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.