Home / 8,622.75-11,900.69-5,267.50

Finding the Fourth Proportional to 8,622.75, 11,900.69 and 5,267.50

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Solution

The fourth proportional to 8,622.75, 11,900.69 and 5,267.50 is: 7,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.75 : 11,900.69 = 5,267.50 : x
  2. Step 2: Convert to fraction form
    8,622.75/11,900.69 = 5,267.50/x
  3. Step 3: Cross multiply
    8,622.75x = 11,900.69 × 5,267.50
  4. Step 4: Simplify right side
    8,622.75x = 62,686,884.58
  5. Step 5: Solve for x
    x = 62,686,884.58/8,622.75
  6. Step 6: Final answer
    x = 7,269.94

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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.