Home / 4,445.82-6,669.91-1,325.84

Finding the Fourth Proportional to 4,445.82, 6,669.91 and 1,325.84

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Solution

The fourth proportional to 4,445.82, 6,669.91 and 1,325.84 is: 1,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.82 : 6,669.91 = 1,325.84 : x
  2. Step 2: Convert to fraction form
    4,445.82/6,669.91 = 1,325.84/x
  3. Step 3: Cross multiply
    4,445.82x = 6,669.91 × 1,325.84
  4. Step 4: Simplify right side
    4,445.82x = 8,843,201.78
  5. Step 5: Solve for x
    x = 8,843,201.78/4,445.82
  6. Step 6: Final answer
    x = 1,989.10

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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.