Home / 8,262.45-12,393.70-5,808.25

Finding the Fourth Proportional to 8,262.45, 12,393.70 and 5,808.25

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Solution

The fourth proportional to 8,262.45, 12,393.70 and 5,808.25 is: 8,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.45 : 12,393.70 = 5,808.25 : x
  2. Step 2: Convert to fraction form
    8,262.45/12,393.70 = 5,808.25/x
  3. Step 3: Cross multiply
    8,262.45x = 12,393.70 × 5,808.25
  4. Step 4: Simplify right side
    8,262.45x = 71,985,708.03
  5. Step 5: Solve for x
    x = 71,985,708.03/8,262.45
  6. Step 6: Final answer
    x = 8,712.39

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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.