Home / 8,262.08-12,398.88-3,642.56

Finding the Fourth Proportional to 8,262.08, 12,398.88 and 3,642.56

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Solution

The fourth proportional to 8,262.08, 12,398.88 and 3,642.56 is: 5,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.08 : 12,398.88 = 3,642.56 : x
  2. Step 2: Convert to fraction form
    8,262.08/12,398.88 = 3,642.56/x
  3. Step 3: Cross multiply
    8,262.08x = 12,398.88 × 3,642.56
  4. Step 4: Simplify right side
    8,262.08x = 45,163,664.33
  5. Step 5: Solve for x
    x = 45,163,664.33/8,262.08
  6. Step 6: Final answer
    x = 5,466.38

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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.