Home / 8,765.37-13,122.14-5,292.09

Finding the Fourth Proportional to 8,765.37, 13,122.14 and 5,292.09

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Solution

The fourth proportional to 8,765.37, 13,122.14 and 5,292.09 is: 7,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.37 : 13,122.14 = 5,292.09 : x
  2. Step 2: Convert to fraction form
    8,765.37/13,122.14 = 5,292.09/x
  3. Step 3: Cross multiply
    8,765.37x = 13,122.14 × 5,292.09
  4. Step 4: Simplify right side
    8,765.37x = 69,443,519.41
  5. Step 5: Solve for x
    x = 69,443,519.41/8,765.37
  6. Step 6: Final answer
    x = 7,922.49

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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.