Home / 5,136.58-7,707.26-1,627.13

Finding the Fourth Proportional to 5,136.58, 7,707.26 and 1,627.13

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Solution

The fourth proportional to 5,136.58, 7,707.26 and 1,627.13 is: 2,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.58 : 7,707.26 = 1,627.13 : x
  2. Step 2: Convert to fraction form
    5,136.58/7,707.26 = 1,627.13/x
  3. Step 3: Cross multiply
    5,136.58x = 7,707.26 × 1,627.13
  4. Step 4: Simplify right side
    5,136.58x = 12,540,713.96
  5. Step 5: Solve for x
    x = 12,540,713.96/5,136.58
  6. Step 6: Final answer
    x = 2,441.45

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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.