Home / 5,141.22-7,713.56-1,631.80

Finding the Fourth Proportional to 5,141.22, 7,713.56 and 1,631.80

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Solution

The fourth proportional to 5,141.22, 7,713.56 and 1,631.80 is: 2,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.22 : 7,713.56 = 1,631.80 : x
  2. Step 2: Convert to fraction form
    5,141.22/7,713.56 = 1,631.80/x
  3. Step 3: Cross multiply
    5,141.22x = 7,713.56 × 1,631.80
  4. Step 4: Simplify right side
    5,141.22x = 12,586,987.21
  5. Step 5: Solve for x
    x = 12,586,987.21/5,141.22
  6. Step 6: Final answer
    x = 2,448.25

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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.