Home / 5,631.38-8,444.04-3,991.13

Finding the Fourth Proportional to 5,631.38, 8,444.04 and 3,991.13

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Solution

The fourth proportional to 5,631.38, 8,444.04 and 3,991.13 is: 5,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.38 : 8,444.04 = 3,991.13 : x
  2. Step 2: Convert to fraction form
    5,631.38/8,444.04 = 3,991.13/x
  3. Step 3: Cross multiply
    5,631.38x = 8,444.04 × 3,991.13
  4. Step 4: Simplify right side
    5,631.38x = 33,701,261.37
  5. Step 5: Solve for x
    x = 33,701,261.37/5,631.38
  6. Step 6: Final answer
    x = 5,984.55

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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.