Home / 5,620.26-7,756.18-3,136.26

Finding the Fourth Proportional to 5,620.26, 7,756.18 and 3,136.26

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Solution

The fourth proportional to 5,620.26, 7,756.18 and 3,136.26 is: 4,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.26 : 7,756.18 = 3,136.26 : x
  2. Step 2: Convert to fraction form
    5,620.26/7,756.18 = 3,136.26/x
  3. Step 3: Cross multiply
    5,620.26x = 7,756.18 × 3,136.26
  4. Step 4: Simplify right side
    5,620.26x = 24,325,397.09
  5. Step 5: Solve for x
    x = 24,325,397.09/5,620.26
  6. Step 6: Final answer
    x = 4,328.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.