Home / 8,656.21-12,996.33-4,442.45

Finding the Fourth Proportional to 8,656.21, 12,996.33 and 4,442.45

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Solution

The fourth proportional to 8,656.21, 12,996.33 and 4,442.45 is: 6,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.21 : 12,996.33 = 4,442.45 : x
  2. Step 2: Convert to fraction form
    8,656.21/12,996.33 = 4,442.45/x
  3. Step 3: Cross multiply
    8,656.21x = 12,996.33 × 4,442.45
  4. Step 4: Simplify right side
    8,656.21x = 57,735,524.00
  5. Step 5: Solve for x
    x = 57,735,524.00/8,656.21
  6. Step 6: Final answer
    x = 6,669.84

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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.